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Finding the Fourth Proportional to 616,093.60, 924,077.76 and 417,688.96

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Solution

The fourth proportional to 616,093.60, 924,077.76 and 417,688.96 is: 626,490.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,093.60 : 924,077.76 = 417,688.96 : x
  2. Step 2: Convert to fraction form
    616,093.60/924,077.76 = 417,688.96/x
  3. Step 3: Cross multiply
    616,093.60x = 924,077.76 × 417,688.96
  4. Step 4: Simplify right side
    616,093.60x = 385,977,078,533.53
  5. Step 5: Solve for x
    x = 385,977,078,533.53/616,093.60
  6. Step 6: Final answer
    x = 626,490.97

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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.