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Finding the Fourth Proportional to 615,954.97, 923,772.07 and 260,786.17

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Solution

The fourth proportional to 615,954.97, 923,772.07 and 260,786.17 is: 391,111.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,954.97 : 923,772.07 = 260,786.17 : x
  2. Step 2: Convert to fraction form
    615,954.97/923,772.07 = 260,786.17/x
  3. Step 3: Cross multiply
    615,954.97x = 923,772.07 × 260,786.17
  4. Step 4: Simplify right side
    615,954.97x = 240,906,980,088.27
  5. Step 5: Solve for x
    x = 240,906,980,088.27/615,954.97
  6. Step 6: Final answer
    x = 391,111.35

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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.