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Finding the Fourth Proportional to 616,216.80, 924,454.80 and 349,759.20

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Solution

The fourth proportional to 616,216.80, 924,454.80 and 349,759.20 is: 524,712.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,216.80 : 924,454.80 = 349,759.20 : x
  2. Step 2: Convert to fraction form
    616,216.80/924,454.80 = 349,759.20/x
  3. Step 3: Cross multiply
    616,216.80x = 924,454.80 × 349,759.20
  4. Step 4: Simplify right side
    616,216.80x = 323,336,571,284.16
  5. Step 5: Solve for x
    x = 323,336,571,284.16/616,216.80
  6. Step 6: Final answer
    x = 524,712.36

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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.