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Finding the Fourth Proportional to 473,468.48, 653,382.61 and 258,608.69

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Solution

The fourth proportional to 473,468.48, 653,382.61 and 258,608.69 is: 356,877.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,468.48 : 653,382.61 = 258,608.69 : x
  2. Step 2: Convert to fraction form
    473,468.48/653,382.61 = 258,608.69/x
  3. Step 3: Cross multiply
    473,468.48x = 653,382.61 × 258,608.69
  4. Step 4: Simplify right side
    473,468.48x = 168,970,420,840.88
  5. Step 5: Solve for x
    x = 168,970,420,840.88/473,468.48
  6. Step 6: Final answer
    x = 356,877.87

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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.