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Finding the Fourth Proportional to 650,744.80, 976,117.20 and 335,816.80

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Solution

The fourth proportional to 650,744.80, 976,117.20 and 335,816.80 is: 503,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,744.80 : 976,117.20 = 335,816.80 : x
  2. Step 2: Convert to fraction form
    650,744.80/976,117.20 = 335,816.80/x
  3. Step 3: Cross multiply
    650,744.80x = 976,117.20 × 335,816.80
  4. Step 4: Simplify right side
    650,744.80x = 327,796,554,528.96
  5. Step 5: Solve for x
    x = 327,796,554,528.96/650,744.80
  6. Step 6: Final answer
    x = 503,725.20

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Double scale
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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.