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Finding the Fourth Proportional to 545,470.04, 818,333.85 and 171,493.04

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Solution

The fourth proportional to 545,470.04, 818,333.85 and 171,493.04 is: 257,280.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,470.04 : 818,333.85 = 171,493.04 : x
  2. Step 2: Convert to fraction form
    545,470.04/818,333.85 = 171,493.04/x
  3. Step 3: Cross multiply
    545,470.04x = 818,333.85 × 171,493.04
  4. Step 4: Simplify right side
    545,470.04x = 140,338,555,579.74
  5. Step 5: Solve for x
    x = 140,338,555,579.74/545,470.04
  6. Step 6: Final answer
    x = 257,280.05

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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.