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Finding the Fourth Proportional to 473,675.18, 653,676.34 and 258,815.24

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Solution

The fourth proportional to 473,675.18, 653,676.34 and 258,815.24 is: 357,167.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,675.18 : 653,676.34 = 258,815.24 : x
  2. Step 2: Convert to fraction form
    473,675.18/653,676.34 = 258,815.24/x
  3. Step 3: Cross multiply
    473,675.18x = 653,676.34 × 258,815.24
  4. Step 4: Simplify right side
    473,675.18x = 169,181,398,819.42
  5. Step 5: Solve for x
    x = 169,181,398,819.42/473,675.18
  6. Step 6: Final answer
    x = 357,167.54

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1.5x scale

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.