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Finding the Fourth Proportional to 519,182.51, 716,279.90 and 304,244.15

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Solution

The fourth proportional to 519,182.51, 716,279.90 and 304,244.15 is: 419,744.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,182.51 : 716,279.90 = 304,244.15 : x
  2. Step 2: Convert to fraction form
    519,182.51/716,279.90 = 304,244.15/x
  3. Step 3: Cross multiply
    519,182.51x = 716,279.90 × 304,244.15
  4. Step 4: Simplify right side
    519,182.51x = 217,923,964,234.97
  5. Step 5: Solve for x
    x = 217,923,964,234.97/519,182.51
  6. Step 6: Final answer
    x = 419,744.43

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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.