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Finding the Fourth Proportional to 614,150.28, 921,225.42 and 239,910.84

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Solution

The fourth proportional to 614,150.28, 921,225.42 and 239,910.84 is: 359,866.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,150.28 : 921,225.42 = 239,910.84 : x
  2. Step 2: Convert to fraction form
    614,150.28/921,225.42 = 239,910.84/x
  3. Step 3: Cross multiply
    614,150.28x = 921,225.42 × 239,910.84
  4. Step 4: Simplify right side
    614,150.28x = 221,011,964,341.55
  5. Step 5: Solve for x
    x = 221,011,964,341.55/614,150.28
  6. Step 6: Final answer
    x = 359,866.26

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Double scale
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Similar ratio
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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.