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Finding the Fourth Proportional to 447,856.80, 671,773 and 181,611.40

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Solution

The fourth proportional to 447,856.80, 671,773 and 181,611.40 is: 272,412.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,856.80 : 671,773 = 181,611.40 : x
  2. Step 2: Convert to fraction form
    447,856.80/671,773 = 181,611.40/x
  3. Step 3: Cross multiply
    447,856.80x = 671,773 × 181,611.40
  4. Step 4: Simplify right side
    447,856.80x = 122,001,635,012.20
  5. Step 5: Solve for x
    x = 122,001,635,012.20/447,856.80
  6. Step 6: Final answer
    x = 272,412.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.