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Finding the Fourth Proportional to 473,811.56, 653,860.01 and 258,951.56

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Solution

The fourth proportional to 473,811.56, 653,860.01 and 258,951.56 is: 357,353.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,811.56 : 653,860.01 = 258,951.56 : x
  2. Step 2: Convert to fraction form
    473,811.56/653,860.01 = 258,951.56/x
  3. Step 3: Cross multiply
    473,811.56x = 653,860.01 × 258,951.56
  4. Step 4: Simplify right side
    473,811.56x = 169,318,069,611.12
  5. Step 5: Solve for x
    x = 169,318,069,611.12/473,811.56
  6. Step 6: Final answer
    x = 357,353.18

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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.