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Finding the Fourth Proportional to 714,882.33, 986,290.95 and 456,910.26

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Solution

The fourth proportional to 714,882.33, 986,290.95 and 456,910.26 is: 630,378.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,882.33 : 986,290.95 = 456,910.26 : x
  2. Step 2: Convert to fraction form
    714,882.33/986,290.95 = 456,910.26/x
  3. Step 3: Cross multiply
    714,882.33x = 986,290.95 × 456,910.26
  4. Step 4: Simplify right side
    714,882.33x = 450,646,454,400.15
  5. Step 5: Solve for x
    x = 450,646,454,400.15/714,882.33
  6. Step 6: Final answer
    x = 630,378.50

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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.