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Finding the Fourth Proportional to 1,976,264.76, 2,962,138.98 and 897,599.88

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Solution

The fourth proportional to 1,976,264.76, 2,962,138.98 and 897,599.88 is: 1,345,374.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,264.76 : 2,962,138.98 = 897,599.88 : x
  2. Step 2: Convert to fraction form
    1,976,264.76/2,962,138.98 = 897,599.88/x
  3. Step 3: Cross multiply
    1,976,264.76x = 2,962,138.98 × 897,599.88
  4. Step 4: Simplify right side
    1,976,264.76x = 2,658,815,592,991.32
  5. Step 5: Solve for x
    x = 2,658,815,592,991.32/1,976,264.76
  6. Step 6: Final answer
    x = 1,345,374.19

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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.