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Finding the Fourth Proportional to 528,079.15, 792,118.73 and 243,769.15

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Solution

The fourth proportional to 528,079.15, 792,118.73 and 243,769.15 is: 365,653.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,079.15 : 792,118.73 = 243,769.15 : x
  2. Step 2: Convert to fraction form
    528,079.15/792,118.73 = 243,769.15/x
  3. Step 3: Cross multiply
    528,079.15x = 792,118.73 × 243,769.15
  4. Step 4: Simplify right side
    528,079.15x = 193,094,109,511.18
  5. Step 5: Solve for x
    x = 193,094,109,511.18/528,079.15
  6. Step 6: Final answer
    x = 365,653.73

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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.