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Finding the Fourth Proportional to 516,879.71, 775,319.57 and 236,200.13

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Solution

The fourth proportional to 516,879.71, 775,319.57 and 236,200.13 is: 354,300.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,879.71 : 775,319.57 = 236,200.13 : x
  2. Step 2: Convert to fraction form
    516,879.71/775,319.57 = 236,200.13/x
  3. Step 3: Cross multiply
    516,879.71x = 775,319.57 × 236,200.13
  4. Step 4: Simplify right side
    516,879.71x = 183,130,578,167.95
  5. Step 5: Solve for x
    x = 183,130,578,167.95/516,879.71
  6. Step 6: Final answer
    x = 354,300.19

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.