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Finding the Fourth Proportional to 662,486.32, 914,247.56 and 360,696.88

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Solution

The fourth proportional to 662,486.32, 914,247.56 and 360,696.88 is: 497,770.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,486.32 : 914,247.56 = 360,696.88 : x
  2. Step 2: Convert to fraction form
    662,486.32/914,247.56 = 360,696.88/x
  3. Step 3: Cross multiply
    662,486.32x = 914,247.56 × 360,696.88
  4. Step 4: Simplify right side
    662,486.32x = 329,766,242,439.61
  5. Step 5: Solve for x
    x = 329,766,242,439.61/662,486.32
  6. Step 6: Final answer
    x = 497,770.64

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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.