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Finding the Fourth Proportional to 616,324.60, 924,486.90 and 195,633.40

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Solution

The fourth proportional to 616,324.60, 924,486.90 and 195,633.40 is: 293,450.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,324.60 : 924,486.90 = 195,633.40 : x
  2. Step 2: Convert to fraction form
    616,324.60/924,486.90 = 195,633.40/x
  3. Step 3: Cross multiply
    616,324.60x = 924,486.90 × 195,633.40
  4. Step 4: Simplify right side
    616,324.60x = 180,860,515,502.46
  5. Step 5: Solve for x
    x = 180,860,515,502.46/616,324.60
  6. Step 6: Final answer
    x = 293,450.10

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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.