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Finding the Fourth Proportional to 616,138.60, 924,296.04 and 189,710.48

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Solution

The fourth proportional to 616,138.60, 924,296.04 and 189,710.48 is: 284,592.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,138.60 : 924,296.04 = 189,710.48 : x
  2. Step 2: Convert to fraction form
    616,138.60/924,296.04 = 189,710.48/x
  3. Step 3: Cross multiply
    616,138.60x = 924,296.04 × 189,710.48
  4. Step 4: Simplify right side
    616,138.60x = 175,348,645,410.50
  5. Step 5: Solve for x
    x = 175,348,645,410.50/616,138.60
  6. Step 6: Final answer
    x = 284,592.86

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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.