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Finding the Fourth Proportional to 537,555.47, 806,141.09 and 177,659.72

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Solution

The fourth proportional to 537,555.47, 806,141.09 and 177,659.72 is: 266,426.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,555.47 : 806,141.09 = 177,659.72 : x
  2. Step 2: Convert to fraction form
    537,555.47/806,141.09 = 177,659.72/x
  3. Step 3: Cross multiply
    537,555.47x = 806,141.09 × 177,659.72
  4. Step 4: Simplify right side
    537,555.47x = 143,218,795,410.89
  5. Step 5: Solve for x
    x = 143,218,795,410.89/537,555.47
  6. Step 6: Final answer
    x = 266,426.08

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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.