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Finding the Fourth Proportional to 540,723.60, 809,384.76 and 371,252.16

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Solution

The fourth proportional to 540,723.60, 809,384.76 and 371,252.16 is: 555,710.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,723.60 : 809,384.76 = 371,252.16 : x
  2. Step 2: Convert to fraction form
    540,723.60/809,384.76 = 371,252.16/x
  3. Step 3: Cross multiply
    540,723.60x = 809,384.76 × 371,252.16
  4. Step 4: Simplify right side
    540,723.60x = 300,485,840,421.08
  5. Step 5: Solve for x
    x = 300,485,840,421.08/540,723.60
  6. Step 6: Final answer
    x = 555,710.61

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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.