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Finding the Fourth Proportional to 417,752.13, 576,497.45 and 226,765.52

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Solution

The fourth proportional to 417,752.13, 576,497.45 and 226,765.52 is: 312,936.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,752.13 : 576,497.45 = 226,765.52 : x
  2. Step 2: Convert to fraction form
    417,752.13/576,497.45 = 226,765.52/x
  3. Step 3: Cross multiply
    417,752.13x = 576,497.45 × 226,765.52
  4. Step 4: Simplify right side
    417,752.13x = 130,729,747,117.01
  5. Step 5: Solve for x
    x = 130,729,747,117.01/417,752.13
  6. Step 6: Final answer
    x = 312,936.16

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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.