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Finding the Fourth Proportional to 616,579.20, 924,871.68 and 195,897.60

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Solution

The fourth proportional to 616,579.20, 924,871.68 and 195,897.60 is: 293,847.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,579.20 : 924,871.68 = 195,897.60 : x
  2. Step 2: Convert to fraction form
    616,579.20/924,871.68 = 195,897.60/x
  3. Step 3: Cross multiply
    616,579.20x = 924,871.68 × 195,897.60
  4. Step 4: Simplify right side
    616,579.20x = 181,180,142,419.97
  5. Step 5: Solve for x
    x = 181,180,142,419.97/616,579.20
  6. Step 6: Final answer
    x = 293,847.32

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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.