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Finding the Fourth Proportional to 396,417.71, 594,621.47 and 96,900.91

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Solution

The fourth proportional to 396,417.71, 594,621.47 and 96,900.91 is: 145,350.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,417.71 : 594,621.47 = 96,900.91 : x
  2. Step 2: Convert to fraction form
    396,417.71/594,621.47 = 96,900.91/x
  3. Step 3: Cross multiply
    396,417.71x = 594,621.47 × 96,900.91
  4. Step 4: Simplify right side
    396,417.71x = 57,619,360,304.24
  5. Step 5: Solve for x
    x = 57,619,360,304.24/396,417.71
  6. Step 6: Final answer
    x = 145,350.12

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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.