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Finding the Fourth Proportional to 477,248.16, 715,855.76 and 122,265.66

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Solution

The fourth proportional to 477,248.16, 715,855.76 and 122,265.66 is: 183,394.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,248.16 : 715,855.76 = 122,265.66 : x
  2. Step 2: Convert to fraction form
    477,248.16/715,855.76 = 122,265.66/x
  3. Step 3: Cross multiply
    477,248.16x = 715,855.76 × 122,265.66
  4. Step 4: Simplify right side
    477,248.16x = 87,524,576,961.20
  5. Step 5: Solve for x
    x = 87,524,576,961.20/477,248.16
  6. Step 6: Final answer
    x = 183,394.27

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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.