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Finding the Fourth Proportional to 575,546.71, 863,172.80 and 170,644.24

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Solution

The fourth proportional to 575,546.71, 863,172.80 and 170,644.24 is: 255,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,546.71 : 863,172.80 = 170,644.24 : x
  2. Step 2: Convert to fraction form
    575,546.71/863,172.80 = 170,644.24/x
  3. Step 3: Cross multiply
    575,546.71x = 863,172.80 × 170,644.24
  4. Step 4: Simplify right side
    575,546.71x = 147,295,466,444.67
  5. Step 5: Solve for x
    x = 147,295,466,444.67/575,546.71
  6. Step 6: Final answer
    x = 255,922.70

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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.