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Finding the Fourth Proportional to 616,429.20, 924,060.60 and 363,903.60

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Solution

The fourth proportional to 616,429.20, 924,060.60 and 363,903.60 is: 545,511.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,429.20 : 924,060.60 = 363,903.60 : x
  2. Step 2: Convert to fraction form
    616,429.20/924,060.60 = 363,903.60/x
  3. Step 3: Cross multiply
    616,429.20x = 924,060.60 × 363,903.60
  4. Step 4: Simplify right side
    616,429.20x = 336,268,978,958.16
  5. Step 5: Solve for x
    x = 336,268,978,958.16/616,429.20
  6. Step 6: Final answer
    x = 545,511.11

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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.