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Finding the Fourth Proportional to 483,066.13, 724,712.99 and 146,109.57

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Solution

The fourth proportional to 483,066.13, 724,712.99 and 146,109.57 is: 219,198.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,066.13 : 724,712.99 = 146,109.57 : x
  2. Step 2: Convert to fraction form
    483,066.13/724,712.99 = 146,109.57/x
  3. Step 3: Cross multiply
    483,066.13x = 724,712.99 × 146,109.57
  4. Step 4: Simplify right side
    483,066.13x = 105,887,503,970.60
  5. Step 5: Solve for x
    x = 105,887,503,970.60/483,066.13
  6. Step 6: Final answer
    x = 219,198.78

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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.