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Finding the Fourth Proportional to 1,736,605.80, 2,604,033.90 and 1,026,851.40

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Solution

The fourth proportional to 1,736,605.80, 2,604,033.90 and 1,026,851.40 is: 1,539,759.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736,605.80 : 2,604,033.90 = 1,026,851.40 : x
  2. Step 2: Convert to fraction form
    1,736,605.80/2,604,033.90 = 1,026,851.40/x
  3. Step 3: Cross multiply
    1,736,605.80x = 2,604,033.90 × 1,026,851.40
  4. Step 4: Simplify right side
    1,736,605.80x = 2,673,955,855,862.46
  5. Step 5: Solve for x
    x = 2,673,955,855,862.46/1,736,605.80
  6. Step 6: Final answer
    x = 1,539,759.83

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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.