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Finding the Fourth Proportional to 483,403.20, 724,240.80 and 233,534.40

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Solution

The fourth proportional to 483,403.20, 724,240.80 and 233,534.40 is: 349,884.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,403.20 : 724,240.80 = 233,534.40 : x
  2. Step 2: Convert to fraction form
    483,403.20/724,240.80 = 233,534.40/x
  3. Step 3: Cross multiply
    483,403.20x = 724,240.80 × 233,534.40
  4. Step 4: Simplify right side
    483,403.20x = 169,135,140,683.52
  5. Step 5: Solve for x
    x = 169,135,140,683.52/483,403.20
  6. Step 6: Final answer
    x = 349,884.20

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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.