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Finding the Fourth Proportional to 483,616.80, 724,042.80 and 433,850.40

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Solution

The fourth proportional to 483,616.80, 724,042.80 and 433,850.40 is: 649,535.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,616.80 : 724,042.80 = 433,850.40 : x
  2. Step 2: Convert to fraction form
    483,616.80/724,042.80 = 433,850.40/x
  3. Step 3: Cross multiply
    483,616.80x = 724,042.80 × 433,850.40
  4. Step 4: Simplify right side
    483,616.80x = 314,126,258,397.12
  5. Step 5: Solve for x
    x = 314,126,258,397.12/483,616.80
  6. Step 6: Final answer
    x = 649,535.46

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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.