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Finding the Fourth Proportional to 658,331.76, 987,497.62 and 185,017.12

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Solution

The fourth proportional to 658,331.76, 987,497.62 and 185,017.12 is: 277,525.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,331.76 : 987,497.62 = 185,017.12 : x
  2. Step 2: Convert to fraction form
    658,331.76/987,497.62 = 185,017.12/x
  3. Step 3: Cross multiply
    658,331.76x = 987,497.62 × 185,017.12
  4. Step 4: Simplify right side
    658,331.76x = 182,703,965,659.25
  5. Step 5: Solve for x
    x = 182,703,965,659.25/658,331.76
  6. Step 6: Final answer
    x = 277,525.67

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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.