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Finding the Fourth Proportional to 574,984.30, 862,642.86 and 237,962.74

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Solution

The fourth proportional to 574,984.30, 862,642.86 and 237,962.74 is: 357,012.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,984.30 : 862,642.86 = 237,962.74 : x
  2. Step 2: Convert to fraction form
    574,984.30/862,642.86 = 237,962.74/x
  3. Step 3: Cross multiply
    574,984.30x = 862,642.86 × 237,962.74
  4. Step 4: Simplify right side
    574,984.30x = 205,276,858,607.04
  5. Step 5: Solve for x
    x = 205,276,858,607.04/574,984.30
  6. Step 6: Final answer
    x = 357,012.98

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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.