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Finding the Fourth Proportional to 400,756.47, 552,949.05 and 237,330.45

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Solution

The fourth proportional to 400,756.47, 552,949.05 and 237,330.45 is: 327,459.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,756.47 : 552,949.05 = 237,330.45 : x
  2. Step 2: Convert to fraction form
    400,756.47/552,949.05 = 237,330.45/x
  3. Step 3: Cross multiply
    400,756.47x = 552,949.05 × 237,330.45
  4. Step 4: Simplify right side
    400,756.47x = 131,231,646,863.57
  5. Step 5: Solve for x
    x = 131,231,646,863.57/400,756.47
  6. Step 6: Final answer
    x = 327,459.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.