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Finding the Fourth Proportional to 410,671.11, 566,720.10 and 229,385.55

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Solution

The fourth proportional to 410,671.11, 566,720.10 and 229,385.55 is: 316,548.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,671.11 : 566,720.10 = 229,385.55 : x
  2. Step 2: Convert to fraction form
    410,671.11/566,720.10 = 229,385.55/x
  3. Step 3: Cross multiply
    410,671.11x = 566,720.10 × 229,385.55
  4. Step 4: Simplify right side
    410,671.11x = 129,997,401,834.56
  5. Step 5: Solve for x
    x = 129,997,401,834.56/410,671.11
  6. Step 6: Final answer
    x = 316,548.69

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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.