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Finding the Fourth Proportional to 519,687, 717,168.11 and 293,347.08

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Solution

The fourth proportional to 519,687, 717,168.11 and 293,347.08 is: 404,819.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,687 : 717,168.11 = 293,347.08 : x
  2. Step 2: Convert to fraction form
    519,687/717,168.11 = 293,347.08/x
  3. Step 3: Cross multiply
    519,687x = 717,168.11 × 293,347.08
  4. Step 4: Simplify right side
    519,687x = 210,379,169,470.88
  5. Step 5: Solve for x
    x = 210,379,169,470.88/519,687
  6. Step 6: Final answer
    x = 404,819.00

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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.