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Finding the Fourth Proportional to 616,078.72, 924,233.28 and 195,241.60

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Solution

The fourth proportional to 616,078.72, 924,233.28 and 195,241.60 is: 292,898.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,078.72 : 924,233.28 = 195,241.60 : x
  2. Step 2: Convert to fraction form
    616,078.72/924,233.28 = 195,241.60/x
  3. Step 3: Cross multiply
    616,078.72x = 924,233.28 × 195,241.60
  4. Step 4: Simplify right side
    616,078.72x = 180,448,784,360.45
  5. Step 5: Solve for x
    x = 180,448,784,360.45/616,078.72
  6. Step 6: Final answer
    x = 292,898.91

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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.