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Finding the Fourth Proportional to 417,251.50, 575,560.33 and 266,348.50

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Solution

The fourth proportional to 417,251.50, 575,560.33 and 266,348.50 is: 367,403.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,251.50 : 575,560.33 = 266,348.50 : x
  2. Step 2: Convert to fraction form
    417,251.50/575,560.33 = 266,348.50/x
  3. Step 3: Cross multiply
    417,251.50x = 575,560.33 × 266,348.50
  4. Step 4: Simplify right side
    417,251.50x = 153,299,633,185.97
  5. Step 5: Solve for x
    x = 153,299,633,185.97/417,251.50
  6. Step 6: Final answer
    x = 367,403.43

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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.