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Finding the Fourth Proportional to 482,853.60, 724,539.60 and 202,399.20

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Solution

The fourth proportional to 482,853.60, 724,539.60 and 202,399.20 is: 303,707.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,853.60 : 724,539.60 = 202,399.20 : x
  2. Step 2: Convert to fraction form
    482,853.60/724,539.60 = 202,399.20/x
  3. Step 3: Cross multiply
    482,853.60x = 724,539.60 × 202,399.20
  4. Step 4: Simplify right side
    482,853.60x = 146,646,235,408.32
  5. Step 5: Solve for x
    x = 146,646,235,408.32/482,853.60
  6. Step 6: Final answer
    x = 303,707.45

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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.