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Finding the Fourth Proportional to 559,502.05, 839,253.08 and 483,394.45

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Solution

The fourth proportional to 559,502.05, 839,253.08 and 483,394.45 is: 725,091.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,502.05 : 839,253.08 = 483,394.45 : x
  2. Step 2: Convert to fraction form
    559,502.05/839,253.08 = 483,394.45/x
  3. Step 3: Cross multiply
    559,502.05x = 839,253.08 × 483,394.45
  4. Step 4: Simplify right side
    559,502.05x = 405,690,278,600.43
  5. Step 5: Solve for x
    x = 405,690,278,600.43/559,502.05
  6. Step 6: Final answer
    x = 725,091.68

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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.