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Finding the Fourth Proportional to 366,938.60, 550,407.90 and 219,482.60

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Solution

The fourth proportional to 366,938.60, 550,407.90 and 219,482.60 is: 329,223.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,938.60 : 550,407.90 = 219,482.60 : x
  2. Step 2: Convert to fraction form
    366,938.60/550,407.90 = 219,482.60/x
  3. Step 3: Cross multiply
    366,938.60x = 550,407.90 × 219,482.60
  4. Step 4: Simplify right side
    366,938.60x = 120,804,956,952.54
  5. Step 5: Solve for x
    x = 120,804,956,952.54/366,938.60
  6. Step 6: Final answer
    x = 329,223.90

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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.