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Finding the Fourth Proportional to 404,502.08, 606,882.88 and 194,154.80

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Solution

The fourth proportional to 404,502.08, 606,882.88 and 194,154.80 is: 291,294.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,502.08 : 606,882.88 = 194,154.80 : x
  2. Step 2: Convert to fraction form
    404,502.08/606,882.88 = 194,154.80/x
  3. Step 3: Cross multiply
    404,502.08x = 606,882.88 × 194,154.80
  4. Step 4: Simplify right side
    404,502.08x = 117,829,224,189.82
  5. Step 5: Solve for x
    x = 117,829,224,189.82/404,502.08
  6. Step 6: Final answer
    x = 291,294.48

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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.