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Finding the Fourth Proportional to 640,366.41, 960,549.62 and 241,096.76

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Solution

The fourth proportional to 640,366.41, 960,549.62 and 241,096.76 is: 361,645.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,366.41 : 960,549.62 = 241,096.76 : x
  2. Step 2: Convert to fraction form
    640,366.41/960,549.62 = 241,096.76/x
  3. Step 3: Cross multiply
    640,366.41x = 960,549.62 × 241,096.76
  4. Step 4: Simplify right side
    640,366.41x = 231,585,401,201.23
  5. Step 5: Solve for x
    x = 231,585,401,201.23/640,366.41
  6. Step 6: Final answer
    x = 361,645.14

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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.