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Finding the Fourth Proportional to 464,394.90, 696,593.12 and 127,440.17

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Solution

The fourth proportional to 464,394.90, 696,593.12 and 127,440.17 is: 191,160.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,394.90 : 696,593.12 = 127,440.17 : x
  2. Step 2: Convert to fraction form
    464,394.90/696,593.12 = 127,440.17/x
  3. Step 3: Cross multiply
    464,394.90x = 696,593.12 × 127,440.17
  4. Step 4: Simplify right side
    464,394.90x = 88,773,944,125.69
  5. Step 5: Solve for x
    x = 88,773,944,125.69/464,394.90
  6. Step 6: Final answer
    x = 191,160.46

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1.5x scale

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.