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Finding the Fourth Proportional to 265,602.72, 366,517.62 and 152,418

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Solution

The fourth proportional to 265,602.72, 366,517.62 and 152,418 is: 210,328.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,602.72 : 366,517.62 = 152,418 : x
  2. Step 2: Convert to fraction form
    265,602.72/366,517.62 = 152,418/x
  3. Step 3: Cross multiply
    265,602.72x = 366,517.62 × 152,418
  4. Step 4: Simplify right side
    265,602.72x = 55,863,882,605.16
  5. Step 5: Solve for x
    x = 55,863,882,605.16/265,602.72
  6. Step 6: Final answer
    x = 210,328.73

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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.