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Finding the Fourth Proportional to 417,473.66, 576,114.76 and 226,487.05

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Solution

The fourth proportional to 417,473.66, 576,114.76 and 226,487.05 is: 312,552.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,473.66 : 576,114.76 = 226,487.05 : x
  2. Step 2: Convert to fraction form
    417,473.66/576,114.76 = 226,487.05/x
  3. Step 3: Cross multiply
    417,473.66x = 576,114.76 × 226,487.05
  4. Step 4: Simplify right side
    417,473.66x = 130,482,529,573.28
  5. Step 5: Solve for x
    x = 130,482,529,573.28/417,473.66
  6. Step 6: Final answer
    x = 312,552.73

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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.