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Finding the Fourth Proportional to 704,683.92, 972,466.42 and 382,394.08

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Solution

The fourth proportional to 704,683.92, 972,466.42 and 382,394.08 is: 527,705.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,683.92 : 972,466.42 = 382,394.08 : x
  2. Step 2: Convert to fraction form
    704,683.92/972,466.42 = 382,394.08/x
  3. Step 3: Cross multiply
    704,683.92x = 972,466.42 × 382,394.08
  4. Step 4: Simplify right side
    704,683.92x = 371,865,402,006.79
  5. Step 5: Solve for x
    x = 371,865,402,006.79/704,683.92
  6. Step 6: Final answer
    x = 527,705.25

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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.