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Finding the Fourth Proportional to 472,989.22, 652,740.30 and 269,034.88

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Solution

The fourth proportional to 472,989.22, 652,740.30 and 269,034.88 is: 371,276.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,989.22 : 652,740.30 = 269,034.88 : x
  2. Step 2: Convert to fraction form
    472,989.22/652,740.30 = 269,034.88/x
  3. Step 3: Cross multiply
    472,989.22x = 652,740.30 × 269,034.88
  4. Step 4: Simplify right side
    472,989.22x = 175,609,908,281.66
  5. Step 5: Solve for x
    x = 175,609,908,281.66/472,989.22
  6. Step 6: Final answer
    x = 371,276.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.