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Finding the Fourth Proportional to 473,379.99, 653,266.79 and 258,520.04

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Solution

The fourth proportional to 473,379.99, 653,266.79 and 258,520.04 is: 356,758.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,379.99 : 653,266.79 = 258,520.04 : x
  2. Step 2: Convert to fraction form
    473,379.99/653,266.79 = 258,520.04/x
  3. Step 3: Cross multiply
    473,379.99x = 653,266.79 × 258,520.04
  4. Step 4: Simplify right side
    473,379.99x = 168,882,556,681.47
  5. Step 5: Solve for x
    x = 168,882,556,681.47/473,379.99
  6. Step 6: Final answer
    x = 356,758.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.