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Finding the Fourth Proportional to 417,473.32, 576,113.39 and 226,486.66

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Solution

The fourth proportional to 417,473.32, 576,113.39 and 226,486.66 is: 312,551.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,473.32 : 576,113.39 = 226,486.66 : x
  2. Step 2: Convert to fraction form
    417,473.32/576,113.39 = 226,486.66/x
  3. Step 3: Cross multiply
    417,473.32x = 576,113.39 × 226,486.66
  4. Step 4: Simplify right side
    417,473.32x = 130,481,997,482.38
  5. Step 5: Solve for x
    x = 130,481,997,482.38/417,473.32
  6. Step 6: Final answer
    x = 312,551.70

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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.