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Finding the Fourth Proportional to 473,805.72, 653,853.06 and 258,948.36

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Solution

The fourth proportional to 473,805.72, 653,853.06 and 258,948.36 is: 357,349.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,805.72 : 653,853.06 = 258,948.36 : x
  2. Step 2: Convert to fraction form
    473,805.72/653,853.06 = 258,948.36/x
  3. Step 3: Cross multiply
    473,805.72x = 653,853.06 × 258,948.36
  4. Step 4: Simplify right side
    473,805.72x = 169,314,177,567.98
  5. Step 5: Solve for x
    x = 169,314,177,567.98/473,805.72
  6. Step 6: Final answer
    x = 357,349.37

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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.