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Finding the Fourth Proportional to 704,940.48, 973,023.12 and 429,397.92

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Solution

The fourth proportional to 704,940.48, 973,023.12 and 429,397.92 is: 592,694.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,940.48 : 973,023.12 = 429,397.92 : x
  2. Step 2: Convert to fraction form
    704,940.48/973,023.12 = 429,397.92/x
  3. Step 3: Cross multiply
    704,940.48x = 973,023.12 × 429,397.92
  4. Step 4: Simplify right side
    704,940.48x = 417,814,103,839.91
  5. Step 5: Solve for x
    x = 417,814,103,839.91/704,940.48
  6. Step 6: Final answer
    x = 592,694.16

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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.