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Finding the Fourth Proportional to 704,592.25, 972,334.05 and 382,301.55

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Solution

The fourth proportional to 704,592.25, 972,334.05 and 382,301.55 is: 527,574.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,592.25 : 972,334.05 = 382,301.55 : x
  2. Step 2: Convert to fraction form
    704,592.25/972,334.05 = 382,301.55/x
  3. Step 3: Cross multiply
    704,592.25x = 972,334.05 × 382,301.55
  4. Step 4: Simplify right side
    704,592.25x = 371,724,814,432.78
  5. Step 5: Solve for x
    x = 371,724,814,432.78/704,592.25
  6. Step 6: Final answer
    x = 527,574.38

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Double scale
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Similar ratio
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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.