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Finding the Fourth Proportional to 265,487.68, 397,710.05 and 175,255.47

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Solution

The fourth proportional to 265,487.68, 397,710.05 and 175,255.47 is: 262,538.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,487.68 : 397,710.05 = 175,255.47 : x
  2. Step 2: Convert to fraction form
    265,487.68/397,710.05 = 175,255.47/x
  3. Step 3: Cross multiply
    265,487.68x = 397,710.05 × 175,255.47
  4. Step 4: Simplify right side
    265,487.68x = 69,700,862,964.57
  5. Step 5: Solve for x
    x = 69,700,862,964.57/265,487.68
  6. Step 6: Final answer
    x = 262,538.98

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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.