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Finding the Fourth Proportional to 1,739,080.80, 2,605,510.80 and 1,471,586.40

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Solution

The fourth proportional to 1,739,080.80, 2,605,510.80 and 1,471,586.40 is: 2,204,747.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739,080.80 : 2,605,510.80 = 1,471,586.40 : x
  2. Step 2: Convert to fraction form
    1,739,080.80/2,605,510.80 = 1,471,586.40/x
  3. Step 3: Cross multiply
    1,739,080.80x = 2,605,510.80 × 1,471,586.40
  4. Step 4: Simplify right side
    1,739,080.80x = 3,834,234,258,333.12
  5. Step 5: Solve for x
    x = 3,834,234,258,333.12/1,739,080.80
  6. Step 6: Final answer
    x = 2,204,747.62

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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.