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Finding the Fourth Proportional to 1,748,081.80, 2,622,014.70 and 736,769.80

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Solution

The fourth proportional to 1,748,081.80, 2,622,014.70 and 736,769.80 is: 1,105,109.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748,081.80 : 2,622,014.70 = 736,769.80 : x
  2. Step 2: Convert to fraction form
    1,748,081.80/2,622,014.70 = 736,769.80/x
  3. Step 3: Cross multiply
    1,748,081.80x = 2,622,014.70 × 736,769.80
  4. Step 4: Simplify right side
    1,748,081.80x = 1,931,821,246,116.06
  5. Step 5: Solve for x
    x = 1,931,821,246,116.06/1,748,081.80
  6. Step 6: Final answer
    x = 1,105,109.18

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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.