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Finding the Fourth Proportional to 417,671.64, 576,372.24 and 226,681.20

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Solution

The fourth proportional to 417,671.64, 576,372.24 and 226,681.20 is: 312,812.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,671.64 : 576,372.24 = 226,681.20 : x
  2. Step 2: Convert to fraction form
    417,671.64/576,372.24 = 226,681.20/x
  3. Step 3: Cross multiply
    417,671.64x = 576,372.24 × 226,681.20
  4. Step 4: Simplify right side
    417,671.64x = 130,652,751,009.89
  5. Step 5: Solve for x
    x = 130,652,751,009.89/417,671.64
  6. Step 6: Final answer
    x = 312,812.12

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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.