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Finding the Fourth Proportional to 537,173.60, 805,877.19 and 177,360.17

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Solution

The fourth proportional to 537,173.60, 805,877.19 and 177,360.17 is: 266,078.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,173.60 : 805,877.19 = 177,360.17 : x
  2. Step 2: Convert to fraction form
    537,173.60/805,877.19 = 177,360.17/x
  3. Step 3: Cross multiply
    537,173.60x = 805,877.19 × 177,360.17
  4. Step 4: Simplify right side
    537,173.60x = 142,930,511,388.14
  5. Step 5: Solve for x
    x = 142,930,511,388.14/537,173.60
  6. Step 6: Final answer
    x = 266,078.81

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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.