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Finding the Fourth Proportional to 616,390.60, 924,747.90 and 195,665.80

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Solution

The fourth proportional to 616,390.60, 924,747.90 and 195,665.80 is: 293,550.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,390.60 : 924,747.90 = 195,665.80 : x
  2. Step 2: Convert to fraction form
    616,390.60/924,747.90 = 195,665.80/x
  3. Step 3: Cross multiply
    616,390.60x = 924,747.90 × 195,665.80
  4. Step 4: Simplify right side
    616,390.60x = 180,941,537,651.82
  5. Step 5: Solve for x
    x = 180,941,537,651.82/616,390.60
  6. Step 6: Final answer
    x = 293,550.12

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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.