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Finding the Fourth Proportional to 541,727.90, 747,336.36 and 350,802.80

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Solution

The fourth proportional to 541,727.90, 747,336.36 and 350,802.80 is: 483,947.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,727.90 : 747,336.36 = 350,802.80 : x
  2. Step 2: Convert to fraction form
    541,727.90/747,336.36 = 350,802.80/x
  3. Step 3: Cross multiply
    541,727.90x = 747,336.36 × 350,802.80
  4. Step 4: Simplify right side
    541,727.90x = 262,167,687,629.81
  5. Step 5: Solve for x
    x = 262,167,687,629.81/541,727.90
  6. Step 6: Final answer
    x = 483,947.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.