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Finding the Fourth Proportional to 417,488.64, 576,129.15 and 226,500.63

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Solution

The fourth proportional to 417,488.64, 576,129.15 and 226,500.63 is: 312,568.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,488.64 : 576,129.15 = 226,500.63 : x
  2. Step 2: Convert to fraction form
    417,488.64/576,129.15 = 226,500.63/x
  3. Step 3: Cross multiply
    417,488.64x = 576,129.15 × 226,500.63
  4. Step 4: Simplify right side
    417,488.64x = 130,493,615,436.37
  5. Step 5: Solve for x
    x = 130,493,615,436.37/417,488.64
  6. Step 6: Final answer
    x = 312,568.06

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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.