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Finding the Fourth Proportional to 469,779.13, 704,580.13 and 132,817.11

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Solution

The fourth proportional to 469,779.13, 704,580.13 and 132,817.11 is: 199,200.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,779.13 : 704,580.13 = 132,817.11 : x
  2. Step 2: Convert to fraction form
    469,779.13/704,580.13 = 132,817.11/x
  3. Step 3: Cross multiply
    469,779.13x = 704,580.13 × 132,817.11
  4. Step 4: Simplify right side
    469,779.13x = 93,580,296,630.02
  5. Step 5: Solve for x
    x = 93,580,296,630.02/469,779.13
  6. Step 6: Final answer
    x = 199,200.63

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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.