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Finding the Fourth Proportional to 437,779.04, 656,722.31 and 149,638.34

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Solution

The fourth proportional to 437,779.04, 656,722.31 and 149,638.34 is: 224,475.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,779.04 : 656,722.31 = 149,638.34 : x
  2. Step 2: Convert to fraction form
    437,779.04/656,722.31 = 149,638.34/x
  3. Step 3: Cross multiply
    437,779.04x = 656,722.31 × 149,638.34
  4. Step 4: Simplify right side
    437,779.04x = 98,270,832,277.56
  5. Step 5: Solve for x
    x = 98,270,832,277.56/437,779.04
  6. Step 6: Final answer
    x = 224,475.88

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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.