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Finding the Fourth Proportional to 537,556.47, 806,142.58 and 177,660.72

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Solution

The fourth proportional to 537,556.47, 806,142.58 and 177,660.72 is: 266,427.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,556.47 : 806,142.58 = 177,660.72 : x
  2. Step 2: Convert to fraction form
    537,556.47/806,142.58 = 177,660.72/x
  3. Step 3: Cross multiply
    537,556.47x = 806,142.58 × 177,660.72
  4. Step 4: Simplify right side
    537,556.47x = 143,219,871,185.46
  5. Step 5: Solve for x
    x = 143,219,871,185.46/537,556.47
  6. Step 6: Final answer
    x = 266,427.58

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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.