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Finding the Fourth Proportional to 473,781.96, 711,045.74 and 220,932.16

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Solution

The fourth proportional to 473,781.96, 711,045.74 and 220,932.16 is: 331,572.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,781.96 : 711,045.74 = 220,932.16 : x
  2. Step 2: Convert to fraction form
    473,781.96/711,045.74 = 220,932.16/x
  3. Step 3: Cross multiply
    473,781.96x = 711,045.74 × 220,932.16
  4. Step 4: Simplify right side
    473,781.96x = 157,092,869,971.71
  5. Step 5: Solve for x
    x = 157,092,869,971.71/473,781.96
  6. Step 6: Final answer
    x = 331,572.08

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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.