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Finding the Fourth Proportional to 417,875.90, 576,671.03 and 226,889.29

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Solution

The fourth proportional to 417,875.90, 576,671.03 and 226,889.29 is: 313,108.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,875.90 : 576,671.03 = 226,889.29 : x
  2. Step 2: Convert to fraction form
    417,875.90/576,671.03 = 226,889.29/x
  3. Step 3: Cross multiply
    417,875.90x = 576,671.03 × 226,889.29
  4. Step 4: Simplify right side
    417,875.90x = 130,840,477,753.72
  5. Step 5: Solve for x
    x = 130,840,477,753.72/417,875.90
  6. Step 6: Final answer
    x = 313,108.46

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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.