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Finding the Fourth Proportional to 540,380.92, 745,816.37 and 365,871.95

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Solution

The fourth proportional to 540,380.92, 745,816.37 and 365,871.95 is: 504,964.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,380.92 : 745,816.37 = 365,871.95 : x
  2. Step 2: Convert to fraction form
    540,380.92/745,816.37 = 365,871.95/x
  3. Step 3: Cross multiply
    540,380.92x = 745,816.37 × 365,871.95
  4. Step 4: Simplify right side
    540,380.92x = 272,873,287,804.46
  5. Step 5: Solve for x
    x = 272,873,287,804.46/540,380.92
  6. Step 6: Final answer
    x = 504,964.70

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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.