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Finding the Fourth Proportional to 483,850.40, 724,220.40 and 343,882.40

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Solution

The fourth proportional to 483,850.40, 724,220.40 and 343,882.40 is: 514,718.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,850.40 : 724,220.40 = 343,882.40 : x
  2. Step 2: Convert to fraction form
    483,850.40/724,220.40 = 343,882.40/x
  3. Step 3: Cross multiply
    483,850.40x = 724,220.40 × 343,882.40
  4. Step 4: Simplify right side
    483,850.40x = 249,046,649,280.96
  5. Step 5: Solve for x
    x = 249,046,649,280.96/483,850.40
  6. Step 6: Final answer
    x = 514,718.29

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1.5x scale

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.