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Finding the Fourth Proportional to 615,549.20, 923,323.80 and 482,838.80

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Solution

The fourth proportional to 615,549.20, 923,323.80 and 482,838.80 is: 724,258.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,549.20 : 923,323.80 = 482,838.80 : x
  2. Step 2: Convert to fraction form
    615,549.20/923,323.80 = 482,838.80/x
  3. Step 3: Cross multiply
    615,549.20x = 923,323.80 × 482,838.80
  4. Step 4: Simplify right side
    615,549.20x = 445,816,555,603.44
  5. Step 5: Solve for x
    x = 445,816,555,603.44/615,549.20
  6. Step 6: Final answer
    x = 724,258.20

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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.