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Finding the Fourth Proportional to 707,293.68, 976,077.72 and 385,013.04

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Solution

The fourth proportional to 707,293.68, 976,077.72 and 385,013.04 is: 531,324.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,293.68 : 976,077.72 = 385,013.04 : x
  2. Step 2: Convert to fraction form
    707,293.68/976,077.72 = 385,013.04/x
  3. Step 3: Cross multiply
    707,293.68x = 976,077.72 × 385,013.04
  4. Step 4: Simplify right side
    707,293.68x = 375,802,650,253.47
  5. Step 5: Solve for x
    x = 375,802,650,253.47/707,293.68
  6. Step 6: Final answer
    x = 531,324.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.