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Finding the Fourth Proportional to 707,370.63, 975,882.92 and 435,356.43

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Solution

The fourth proportional to 707,370.63, 975,882.92 and 435,356.43 is: 600,614.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,370.63 : 975,882.92 = 435,356.43 : x
  2. Step 2: Convert to fraction form
    707,370.63/975,882.92 = 435,356.43/x
  3. Step 3: Cross multiply
    707,370.63x = 975,882.92 × 435,356.43
  4. Step 4: Simplify right side
    707,370.63x = 424,856,901,972.39
  5. Step 5: Solve for x
    x = 424,856,901,972.39/707,370.63
  6. Step 6: Final answer
    x = 600,614.28

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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.