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Finding the Fourth Proportional to 583,863.80, 875,795.70 and 496,772.60

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Solution

The fourth proportional to 583,863.80, 875,795.70 and 496,772.60 is: 745,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,863.80 : 875,795.70 = 496,772.60 : x
  2. Step 2: Convert to fraction form
    583,863.80/875,795.70 = 496,772.60/x
  3. Step 3: Cross multiply
    583,863.80x = 875,795.70 × 496,772.60
  4. Step 4: Simplify right side
    583,863.80x = 435,071,306,957.82
  5. Step 5: Solve for x
    x = 435,071,306,957.82/583,863.80
  6. Step 6: Final answer
    x = 745,158.90

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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.