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Finding the Fourth Proportional to 364,344.90, 546,116.40 and 127,565.70

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Solution

The fourth proportional to 364,344.90, 546,116.40 and 127,565.70 is: 191,208.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,344.90 : 546,116.40 = 127,565.70 : x
  2. Step 2: Convert to fraction form
    364,344.90/546,116.40 = 127,565.70/x
  3. Step 3: Cross multiply
    364,344.90x = 546,116.40 × 127,565.70
  4. Step 4: Simplify right side
    364,344.90x = 69,665,720,847.48
  5. Step 5: Solve for x
    x = 69,665,720,847.48/364,344.90
  6. Step 6: Final answer
    x = 191,208.17

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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.