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Finding the Fourth Proportional to 732,693.60, 1,101,664.80 and 716,947.20

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Solution

The fourth proportional to 732,693.60, 1,101,664.80 and 716,947.20 is: 1,077,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,693.60 : 1,101,664.80 = 716,947.20 : x
  2. Step 2: Convert to fraction form
    732,693.60/1,101,664.80 = 716,947.20/x
  3. Step 3: Cross multiply
    732,693.60x = 1,101,664.80 × 716,947.20
  4. Step 4: Simplify right side
    732,693.60x = 789,835,493,698.56
  5. Step 5: Solve for x
    x = 789,835,493,698.56/732,693.60
  6. Step 6: Final answer
    x = 1,077,988.80

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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.