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Finding the Fourth Proportional to 417,740.89, 576,483.12 and 226,754.23

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Solution

The fourth proportional to 417,740.89, 576,483.12 and 226,754.23 is: 312,921.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,740.89 : 576,483.12 = 226,754.23 : x
  2. Step 2: Convert to fraction form
    417,740.89/576,483.12 = 226,754.23/x
  3. Step 3: Cross multiply
    417,740.89x = 576,483.12 × 226,754.23
  4. Step 4: Simplify right side
    417,740.89x = 130,719,985,983.60
  5. Step 5: Solve for x
    x = 130,719,985,983.60/417,740.89
  6. Step 6: Final answer
    x = 312,921.21

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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.