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Finding the Fourth Proportional to 684,642.97, 1,026,987.88 and 235,360

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Solution

The fourth proportional to 684,642.97, 1,026,987.88 and 235,360 is: 353,048.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,642.97 : 1,026,987.88 = 235,360 : x
  2. Step 2: Convert to fraction form
    684,642.97/1,026,987.88 = 235,360/x
  3. Step 3: Cross multiply
    684,642.97x = 1,026,987.88 × 235,360
  4. Step 4: Simplify right side
    684,642.97x = 241,711,867,436.80
  5. Step 5: Solve for x
    x = 241,711,867,436.80/684,642.97
  6. Step 6: Final answer
    x = 353,048.05

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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.