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Finding the Fourth Proportional to 366,910.30, 549,928.05 and 153,677.80

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Solution

The fourth proportional to 366,910.30, 549,928.05 and 153,677.80 is: 230,333.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,910.30 : 549,928.05 = 153,677.80 : x
  2. Step 2: Convert to fraction form
    366,910.30/549,928.05 = 153,677.80/x
  3. Step 3: Cross multiply
    366,910.30x = 549,928.05 × 153,677.80
  4. Step 4: Simplify right side
    366,910.30x = 84,511,732,882.29
  5. Step 5: Solve for x
    x = 84,511,732,882.29/366,910.30
  6. Step 6: Final answer
    x = 230,333.50

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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.