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Finding the Fourth Proportional to 632,182.28, 872,411.17 and 345,702.37

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Solution

The fourth proportional to 632,182.28, 872,411.17 and 345,702.37 is: 477,069.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,182.28 : 872,411.17 = 345,702.37 : x
  2. Step 2: Convert to fraction form
    632,182.28/872,411.17 = 345,702.37/x
  3. Step 3: Cross multiply
    632,182.28x = 872,411.17 × 345,702.37
  4. Step 4: Simplify right side
    632,182.28x = 301,594,609,083.47
  5. Step 5: Solve for x
    x = 301,594,609,083.47/632,182.28
  6. Step 6: Final answer
    x = 477,069.06

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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.