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Finding the Fourth Proportional to 704,696.92, 972,484.38 and 382,407.08

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Solution

The fourth proportional to 704,696.92, 972,484.38 and 382,407.08 is: 527,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,696.92 : 972,484.38 = 382,407.08 : x
  2. Step 2: Convert to fraction form
    704,696.92/972,484.38 = 382,407.08/x
  3. Step 3: Cross multiply
    704,696.92x = 972,484.38 × 382,407.08
  4. Step 4: Simplify right side
    704,696.92x = 371,884,912,101.41
  5. Step 5: Solve for x
    x = 371,884,912,101.41/704,696.92
  6. Step 6: Final answer
    x = 527,723.20

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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.