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Finding the Fourth Proportional to 604,479.04, 906,719.18 and 225,393.98

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Solution

The fourth proportional to 604,479.04, 906,719.18 and 225,393.98 is: 338,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,479.04 : 906,719.18 = 225,393.98 : x
  2. Step 2: Convert to fraction form
    604,479.04/906,719.18 = 225,393.98/x
  3. Step 3: Cross multiply
    604,479.04x = 906,719.18 × 225,393.98
  4. Step 4: Simplify right side
    604,479.04x = 204,369,044,722.54
  5. Step 5: Solve for x
    x = 204,369,044,722.54/604,479.04
  6. Step 6: Final answer
    x = 338,091.20

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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.