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Finding the Fourth Proportional to 473,675.45, 653,676.68 and 258,815.49

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Solution

The fourth proportional to 473,675.45, 653,676.68 and 258,815.49 is: 357,167.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,675.45 : 653,676.68 = 258,815.49 : x
  2. Step 2: Convert to fraction form
    473,675.45/653,676.68 = 258,815.49/x
  3. Step 3: Cross multiply
    473,675.45x = 653,676.68 × 258,815.49
  4. Step 4: Simplify right side
    473,675.45x = 169,181,648,431.52
  5. Step 5: Solve for x
    x = 169,181,648,431.52/473,675.45
  6. Step 6: Final answer
    x = 357,167.87

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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.