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Finding the Fourth Proportional to 1,806,541.02, 2,710,267.11 and 1,275,100.02

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Solution

The fourth proportional to 1,806,541.02, 2,710,267.11 and 1,275,100.02 is: 1,912,971.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,541.02 : 2,710,267.11 = 1,275,100.02 : x
  2. Step 2: Convert to fraction form
    1,806,541.02/2,710,267.11 = 1,275,100.02/x
  3. Step 3: Cross multiply
    1,806,541.02x = 2,710,267.11 × 1,275,100.02
  4. Step 4: Simplify right side
    1,806,541.02x = 3,455,861,646,166.34
  5. Step 5: Solve for x
    x = 3,455,861,646,166.34/1,806,541.02
  6. Step 6: Final answer
    x = 1,912,971.59

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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.