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Finding the Fourth Proportional to 483,219.80, 724,829.70 and 349,818.20

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Solution

The fourth proportional to 483,219.80, 724,829.70 and 349,818.20 is: 524,727.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,219.80 : 724,829.70 = 349,818.20 : x
  2. Step 2: Convert to fraction form
    483,219.80/724,829.70 = 349,818.20/x
  3. Step 3: Cross multiply
    483,219.80x = 724,829.70 × 349,818.20
  4. Step 4: Simplify right side
    483,219.80x = 253,558,620,960.54
  5. Step 5: Solve for x
    x = 253,558,620,960.54/483,219.80
  6. Step 6: Final answer
    x = 524,727.30

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Similar ratio
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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.