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Finding the Fourth Proportional to 516,549.15, 773,535.10 and 326,435.98

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Solution

The fourth proportional to 516,549.15, 773,535.10 and 326,435.98 is: 488,839.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,549.15 : 773,535.10 = 326,435.98 : x
  2. Step 2: Convert to fraction form
    516,549.15/773,535.10 = 326,435.98/x
  3. Step 3: Cross multiply
    516,549.15x = 773,535.10 × 326,435.98
  4. Step 4: Simplify right side
    516,549.15x = 252,509,684,973.27
  5. Step 5: Solve for x
    x = 252,509,684,973.27/516,549.15
  6. Step 6: Final answer
    x = 488,839.61

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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.