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Finding the Fourth Proportional to 518,041.12, 776,517.36 and 237,327.52

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Solution

The fourth proportional to 518,041.12, 776,517.36 and 237,327.52 is: 355,741.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,041.12 : 776,517.36 = 237,327.52 : x
  2. Step 2: Convert to fraction form
    518,041.12/776,517.36 = 237,327.52/x
  3. Step 3: Cross multiply
    518,041.12x = 776,517.36 × 237,327.52
  4. Step 4: Simplify right side
    518,041.12x = 184,288,939,285.75
  5. Step 5: Solve for x
    x = 184,288,939,285.75/518,041.12
  6. Step 6: Final answer
    x = 355,741.91

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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.