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Finding the Fourth Proportional to 971,373.60, 1,454,727.60 and 929,383.20

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Solution

The fourth proportional to 971,373.60, 1,454,727.60 and 929,383.20 is: 1,391,842.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,373.60 : 1,454,727.60 = 929,383.20 : x
  2. Step 2: Convert to fraction form
    971,373.60/1,454,727.60 = 929,383.20/x
  3. Step 3: Cross multiply
    971,373.60x = 1,454,727.60 × 929,383.20
  4. Step 4: Simplify right side
    971,373.60x = 1,351,999,392,016.32
  5. Step 5: Solve for x
    x = 1,351,999,392,016.32/971,373.60
  6. Step 6: Final answer
    x = 1,391,842.84

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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.