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Finding the Fourth Proportional to 995,596.80, 1,493,260.80 and 396,998.40

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Solution

The fourth proportional to 995,596.80, 1,493,260.80 and 396,998.40 is: 595,444.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,596.80 : 1,493,260.80 = 396,998.40 : x
  2. Step 2: Convert to fraction form
    995,596.80/1,493,260.80 = 396,998.40/x
  3. Step 3: Cross multiply
    995,596.80x = 1,493,260.80 × 396,998.40
  4. Step 4: Simplify right side
    995,596.80x = 592,822,148,382.72
  5. Step 5: Solve for x
    x = 592,822,148,382.72/995,596.80
  6. Step 6: Final answer
    x = 595,444.01

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.