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Finding the Fourth Proportional to 676,489.52, 933,515.66 and 370,504.97

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Solution

The fourth proportional to 676,489.52, 933,515.66 and 370,504.97 is: 511,275.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,489.52 : 933,515.66 = 370,504.97 : x
  2. Step 2: Convert to fraction form
    676,489.52/933,515.66 = 370,504.97/x
  3. Step 3: Cross multiply
    676,489.52x = 933,515.66 × 370,504.97
  4. Step 4: Simplify right side
    676,489.52x = 345,872,191,362.20
  5. Step 5: Solve for x
    x = 345,872,191,362.20/676,489.52
  6. Step 6: Final answer
    x = 511,275.02

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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.