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Finding the Fourth Proportional to 484,309.13, 668,352.71 and 266,542.86

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Solution

The fourth proportional to 484,309.13, 668,352.71 and 266,542.86 is: 367,832.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,309.13 : 668,352.71 = 266,542.86 : x
  2. Step 2: Convert to fraction form
    484,309.13/668,352.71 = 266,542.86/x
  3. Step 3: Cross multiply
    484,309.13x = 668,352.71 × 266,542.86
  4. Step 4: Simplify right side
    484,309.13x = 178,144,645,984.83
  5. Step 5: Solve for x
    x = 178,144,645,984.83/484,309.13
  6. Step 6: Final answer
    x = 367,832.52

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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.