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Finding the Fourth Proportional to 483,604.80, 724,024.80 and 433,838.40

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Solution

The fourth proportional to 483,604.80, 724,024.80 and 433,838.40 is: 649,517.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,604.80 : 724,024.80 = 433,838.40 : x
  2. Step 2: Convert to fraction form
    483,604.80/724,024.80 = 433,838.40/x
  3. Step 3: Cross multiply
    483,604.80x = 724,024.80 × 433,838.40
  4. Step 4: Simplify right side
    483,604.80x = 314,109,760,792.32
  5. Step 5: Solve for x
    x = 314,109,760,792.32/483,604.80
  6. Step 6: Final answer
    x = 649,517.46

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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.