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Finding the Fourth Proportional to 464,477.58, 696,710.13 and 127,517.85

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Solution

The fourth proportional to 464,477.58, 696,710.13 and 127,517.85 is: 191,275.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,477.58 : 696,710.13 = 127,517.85 : x
  2. Step 2: Convert to fraction form
    464,477.58/696,710.13 = 127,517.85/x
  3. Step 3: Cross multiply
    464,477.58x = 696,710.13 × 127,517.85
  4. Step 4: Simplify right side
    464,477.58x = 88,842,977,850.82
  5. Step 5: Solve for x
    x = 88,842,977,850.82/464,477.58
  6. Step 6: Final answer
    x = 191,275.06

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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.