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Finding the Fourth Proportional to 473,690.58, 653,665.59 and 258,832.41

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Solution

The fourth proportional to 473,690.58, 653,665.59 and 258,832.41 is: 357,173.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,690.58 : 653,665.59 = 258,832.41 : x
  2. Step 2: Convert to fraction form
    473,690.58/653,665.59 = 258,832.41/x
  3. Step 3: Cross multiply
    473,690.58x = 653,665.59 × 258,832.41
  4. Step 4: Simplify right side
    473,690.58x = 169,189,839,993.77
  5. Step 5: Solve for x
    x = 169,189,839,993.77/473,690.58
  6. Step 6: Final answer
    x = 357,173.75

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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.