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Finding the Fourth Proportional to 483,604.80, 724,024.80 and 469,780.80

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Solution

The fourth proportional to 483,604.80, 724,024.80 and 469,780.80 is: 703,328.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,604.80 : 724,024.80 = 469,780.80 : x
  2. Step 2: Convert to fraction form
    483,604.80/724,024.80 = 469,780.80/x
  3. Step 3: Cross multiply
    483,604.80x = 724,024.80 × 469,780.80
  4. Step 4: Simplify right side
    483,604.80x = 340,132,949,763.84
  5. Step 5: Solve for x
    x = 340,132,949,763.84/483,604.80
  6. Step 6: Final answer
    x = 703,328.32

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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.