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Finding the Fourth Proportional to 497,791.40, 746,687.10 and 160,831.40

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Solution

The fourth proportional to 497,791.40, 746,687.10 and 160,831.40 is: 241,247.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,791.40 : 746,687.10 = 160,831.40 : x
  2. Step 2: Convert to fraction form
    497,791.40/746,687.10 = 160,831.40/x
  3. Step 3: Cross multiply
    497,791.40x = 746,687.10 × 160,831.40
  4. Step 4: Simplify right side
    497,791.40x = 120,090,731,654.94
  5. Step 5: Solve for x
    x = 120,090,731,654.94/497,791.40
  6. Step 6: Final answer
    x = 241,247.10

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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.