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Finding the Fourth Proportional to 604,864.60, 906,908.10 and 250,019.80

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Solution

The fourth proportional to 604,864.60, 906,908.10 and 250,019.80 is: 374,868.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,864.60 : 906,908.10 = 250,019.80 : x
  2. Step 2: Convert to fraction form
    604,864.60/906,908.10 = 250,019.80/x
  3. Step 3: Cross multiply
    604,864.60x = 906,908.10 × 250,019.80
  4. Step 4: Simplify right side
    604,864.60x = 226,744,981,780.38
  5. Step 5: Solve for x
    x = 226,744,981,780.38/604,864.60
  6. Step 6: Final answer
    x = 374,868.99

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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.