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Finding the Fourth Proportional to 545,323.31, 817,605.48 and 241,552.55

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Solution

The fourth proportional to 545,323.31, 817,605.48 and 241,552.55 is: 362,160.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,323.31 : 817,605.48 = 241,552.55 : x
  2. Step 2: Convert to fraction form
    545,323.31/817,605.48 = 241,552.55/x
  3. Step 3: Cross multiply
    545,323.31x = 817,605.48 × 241,552.55
  4. Step 4: Simplify right side
    545,323.31x = 197,494,690,631.99
  5. Step 5: Solve for x
    x = 197,494,690,631.99/545,323.31
  6. Step 6: Final answer
    x = 362,160.74

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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.