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Finding the Fourth Proportional to 632,248.53, 872,515.70 and 345,787.03

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Solution

The fourth proportional to 632,248.53, 872,515.70 and 345,787.03 is: 477,193.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,248.53 : 872,515.70 = 345,787.03 : x
  2. Step 2: Convert to fraction form
    632,248.53/872,515.70 = 345,787.03/x
  3. Step 3: Cross multiply
    632,248.53x = 872,515.70 × 345,787.03
  4. Step 4: Simplify right side
    632,248.53x = 301,704,612,531.37
  5. Step 5: Solve for x
    x = 301,704,612,531.37/632,248.53
  6. Step 6: Final answer
    x = 477,193.06

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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.