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Finding the Fourth Proportional to 566,521.70, 781,752.26 and 324,748.85

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Solution

The fourth proportional to 566,521.70, 781,752.26 and 324,748.85 is: 448,126.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,521.70 : 781,752.26 = 324,748.85 : x
  2. Step 2: Convert to fraction form
    566,521.70/781,752.26 = 324,748.85/x
  3. Step 3: Cross multiply
    566,521.70x = 781,752.26 × 324,748.85
  4. Step 4: Simplify right side
    566,521.70x = 253,873,144,323.01
  5. Step 5: Solve for x
    x = 253,873,144,323.01/566,521.70
  6. Step 6: Final answer
    x = 448,126.08

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Double scale
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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.