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Finding the Fourth Proportional to 616,039.92, 924,059.16 and 448,625.52

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Solution

The fourth proportional to 616,039.92, 924,059.16 and 448,625.52 is: 672,937.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,039.92 : 924,059.16 = 448,625.52 : x
  2. Step 2: Convert to fraction form
    616,039.92/924,059.16 = 448,625.52/x
  3. Step 3: Cross multiply
    616,039.92x = 924,059.16 × 448,625.52
  4. Step 4: Simplify right side
    616,039.92x = 414,556,521,165.76
  5. Step 5: Solve for x
    x = 414,556,521,165.76/616,039.92
  6. Step 6: Final answer
    x = 672,937.76

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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.