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Finding the Fourth Proportional to 540,851.56, 811,293.90 and 185,860.52

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Solution

The fourth proportional to 540,851.56, 811,293.90 and 185,860.52 is: 278,796.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,851.56 : 811,293.90 = 185,860.52 : x
  2. Step 2: Convert to fraction form
    540,851.56/811,293.90 = 185,860.52/x
  3. Step 3: Cross multiply
    540,851.56x = 811,293.90 × 185,860.52
  4. Step 4: Simplify right side
    540,851.56x = 150,787,506,126.83
  5. Step 5: Solve for x
    x = 150,787,506,126.83/540,851.56
  6. Step 6: Final answer
    x = 278,796.47

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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.