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Finding the Fourth Proportional to 513,760.15, 708,520.71 and 441,140.37

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Solution

The fourth proportional to 513,760.15, 708,520.71 and 441,140.37 is: 608,371.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,760.15 : 708,520.71 = 441,140.37 : x
  2. Step 2: Convert to fraction form
    513,760.15/708,520.71 = 441,140.37/x
  3. Step 3: Cross multiply
    513,760.15x = 708,520.71 × 441,140.37
  4. Step 4: Simplify right side
    513,760.15x = 312,557,088,162.06
  5. Step 5: Solve for x
    x = 312,557,088,162.06/513,760.15
  6. Step 6: Final answer
    x = 608,371.61

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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.