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Finding the Fourth Proportional to 466,478.60, 698,681.10 and 383,534.60

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Solution

The fourth proportional to 466,478.60, 698,681.10 and 383,534.60 is: 574,449.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,478.60 : 698,681.10 = 383,534.60 : x
  2. Step 2: Convert to fraction form
    466,478.60/698,681.10 = 383,534.60/x
  3. Step 3: Cross multiply
    466,478.60x = 698,681.10 × 383,534.60
  4. Step 4: Simplify right side
    466,478.60x = 267,968,376,216.06
  5. Step 5: Solve for x
    x = 267,968,376,216.06/466,478.60
  6. Step 6: Final answer
    x = 574,449.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.