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Finding the Fourth Proportional to 575,172.52, 862,761 and 175,811.74

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Solution

The fourth proportional to 575,172.52, 862,761 and 175,811.74 is: 263,718.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,172.52 : 862,761 = 175,811.74 : x
  2. Step 2: Convert to fraction form
    575,172.52/862,761 = 175,811.74/x
  3. Step 3: Cross multiply
    575,172.52x = 862,761 × 175,811.74
  4. Step 4: Simplify right side
    575,172.52x = 151,683,512,614.14
  5. Step 5: Solve for x
    x = 151,683,512,614.14/575,172.52
  6. Step 6: Final answer
    x = 263,718.29

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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.