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Finding the Fourth Proportional to 483,208.80, 724,809.60 and 146,248.80

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Solution

The fourth proportional to 483,208.80, 724,809.60 and 146,248.80 is: 219,372.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,208.80 : 724,809.60 = 146,248.80 : x
  2. Step 2: Convert to fraction form
    483,208.80/724,809.60 = 146,248.80/x
  3. Step 3: Cross multiply
    483,208.80x = 724,809.60 × 146,248.80
  4. Step 4: Simplify right side
    483,208.80x = 106,002,534,228.48
  5. Step 5: Solve for x
    x = 106,002,534,228.48/483,208.80
  6. Step 6: Final answer
    x = 219,372.11

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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.