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Finding the Fourth Proportional to 658,137.04, 987,205.54 and 159,501.04

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Solution

The fourth proportional to 658,137.04, 987,205.54 and 159,501.04 is: 239,251.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,137.04 : 987,205.54 = 159,501.04 : x
  2. Step 2: Convert to fraction form
    658,137.04/987,205.54 = 159,501.04/x
  3. Step 3: Cross multiply
    658,137.04x = 987,205.54 × 159,501.04
  4. Step 4: Simplify right side
    658,137.04x = 157,460,310,323.76
  5. Step 5: Solve for x
    x = 157,460,310,323.76/658,137.04
  6. Step 6: Final answer
    x = 239,251.56

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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.