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Finding the Fourth Proportional to 630,960.38, 946,442.59 and 157,645.79

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Solution

The fourth proportional to 630,960.38, 946,442.59 and 157,645.79 is: 236,469.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,960.38 : 946,442.59 = 157,645.79 : x
  2. Step 2: Convert to fraction form
    630,960.38/946,442.59 = 157,645.79/x
  3. Step 3: Cross multiply
    630,960.38x = 946,442.59 × 157,645.79
  4. Step 4: Simplify right side
    630,960.38x = 149,202,684,663.87
  5. Step 5: Solve for x
    x = 149,202,684,663.87/630,960.38
  6. Step 6: Final answer
    x = 236,469.18

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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.