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Finding the Fourth Proportional to 366,903.10, 550,354.65 and 260,614.90

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Solution

The fourth proportional to 366,903.10, 550,354.65 and 260,614.90 is: 390,922.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,903.10 : 550,354.65 = 260,614.90 : x
  2. Step 2: Convert to fraction form
    366,903.10/550,354.65 = 260,614.90/x
  3. Step 3: Cross multiply
    366,903.10x = 550,354.65 × 260,614.90
  4. Step 4: Simplify right side
    366,903.10x = 143,430,622,074.29
  5. Step 5: Solve for x
    x = 143,430,622,074.29/366,903.10
  6. Step 6: Final answer
    x = 390,922.35

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Similar ratio
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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.