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Finding the Fourth Proportional to 417,820.50, 576,592.88 and 226,833.89

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Solution

The fourth proportional to 417,820.50, 576,592.88 and 226,833.89 is: 313,031.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,820.50 : 576,592.88 = 226,833.89 : x
  2. Step 2: Convert to fraction form
    417,820.50/576,592.88 = 226,833.89/x
  3. Step 3: Cross multiply
    417,820.50x = 576,592.88 × 226,833.89
  4. Step 4: Simplify right side
    417,820.50x = 130,790,801,899.57
  5. Step 5: Solve for x
    x = 130,790,801,899.57/417,820.50
  6. Step 6: Final answer
    x = 313,031.08

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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.