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Finding the Fourth Proportional to 733,588.64, 1,012,794 and 479,365.28

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Solution

The fourth proportional to 733,588.64, 1,012,794 and 479,365.28 is: 661,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,588.64 : 1,012,794 = 479,365.28 : x
  2. Step 2: Convert to fraction form
    733,588.64/1,012,794 = 479,365.28/x
  3. Step 3: Cross multiply
    733,588.64x = 1,012,794 × 479,365.28
  4. Step 4: Simplify right side
    733,588.64x = 485,498,279,392.32
  5. Step 5: Solve for x
    x = 485,498,279,392.32/733,588.64
  6. Step 6: Final answer
    x = 661,812.70

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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.