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Finding the Fourth Proportional to 473,182.56, 653,001.80 and 258,331.68

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Solution

The fourth proportional to 473,182.56, 653,001.80 and 258,331.68 is: 356,503.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,182.56 : 653,001.80 = 258,331.68 : x
  2. Step 2: Convert to fraction form
    473,182.56/653,001.80 = 258,331.68/x
  3. Step 3: Cross multiply
    473,182.56x = 653,001.80 × 258,331.68
  4. Step 4: Simplify right side
    473,182.56x = 168,691,050,745.37
  5. Step 5: Solve for x
    x = 168,691,050,745.37/473,182.56
  6. Step 6: Final answer
    x = 356,503.10

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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.