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Finding the Fourth Proportional to 366,868.90, 550,303.35 and 156,916.90

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Solution

The fourth proportional to 366,868.90, 550,303.35 and 156,916.90 is: 235,375.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,868.90 : 550,303.35 = 156,916.90 : x
  2. Step 2: Convert to fraction form
    366,868.90/550,303.35 = 156,916.90/x
  3. Step 3: Cross multiply
    366,868.90x = 550,303.35 × 156,916.90
  4. Step 4: Simplify right side
    366,868.90x = 86,351,895,741.62
  5. Step 5: Solve for x
    x = 86,351,895,741.62/366,868.90
  6. Step 6: Final answer
    x = 235,375.35

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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.