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Finding the Fourth Proportional to 473,641.43, 653,634.58 and 258,794.83

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Solution

The fourth proportional to 473,641.43, 653,634.58 and 258,794.83 is: 357,142.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,641.43 : 653,634.58 = 258,794.83 : x
  2. Step 2: Convert to fraction form
    473,641.43/653,634.58 = 258,794.83/x
  3. Step 3: Cross multiply
    473,641.43x = 653,634.58 × 258,794.83
  4. Step 4: Simplify right side
    473,641.43x = 169,157,246,745.05
  5. Step 5: Solve for x
    x = 169,157,246,745.05/473,641.43
  6. Step 6: Final answer
    x = 357,142.00

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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.