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Finding the Fourth Proportional to 616,327.40, 924,030.30 and 261,050.60

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Solution

The fourth proportional to 616,327.40, 924,030.30 and 261,050.60 is: 391,380.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,327.40 : 924,030.30 = 261,050.60 : x
  2. Step 2: Convert to fraction form
    616,327.40/924,030.30 = 261,050.60/x
  3. Step 3: Cross multiply
    616,327.40x = 924,030.30 × 261,050.60
  4. Step 4: Simplify right side
    616,327.40x = 241,218,664,233.18
  5. Step 5: Solve for x
    x = 241,218,664,233.18/616,327.40
  6. Step 6: Final answer
    x = 391,380.72

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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.