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Finding the Fourth Proportional to 413,424.41, 571,007.17 and 330,925.60

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Solution

The fourth proportional to 413,424.41, 571,007.17 and 330,925.60 is: 457,062.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,424.41 : 571,007.17 = 330,925.60 : x
  2. Step 2: Convert to fraction form
    413,424.41/571,007.17 = 330,925.60/x
  3. Step 3: Cross multiply
    413,424.41x = 571,007.17 × 330,925.60
  4. Step 4: Simplify right side
    413,424.41x = 188,960,891,463.97
  5. Step 5: Solve for x
    x = 188,960,891,463.97/413,424.41
  6. Step 6: Final answer
    x = 457,062.74

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1.5x scale

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.