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Finding the Fourth Proportional to 616,099.60, 923,458.20 and 316,464.40

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Solution

The fourth proportional to 616,099.60, 923,458.20 and 316,464.40 is: 474,341.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,099.60 : 923,458.20 = 316,464.40 : x
  2. Step 2: Convert to fraction form
    616,099.60/923,458.20 = 316,464.40/x
  3. Step 3: Cross multiply
    616,099.60x = 923,458.20 × 316,464.40
  4. Step 4: Simplify right side
    616,099.60x = 292,241,645,188.08
  5. Step 5: Solve for x
    x = 292,241,645,188.08/616,099.60
  6. Step 6: Final answer
    x = 474,341.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.