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Finding the Fourth Proportional to 294,515.80, 441,773.70 and 144,779.20

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Solution

The fourth proportional to 294,515.80, 441,773.70 and 144,779.20 is: 217,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,515.80 : 441,773.70 = 144,779.20 : x
  2. Step 2: Convert to fraction form
    294,515.80/441,773.70 = 144,779.20/x
  3. Step 3: Cross multiply
    294,515.80x = 441,773.70 × 144,779.20
  4. Step 4: Simplify right side
    294,515.80x = 63,959,642,867.04
  5. Step 5: Solve for x
    x = 63,959,642,867.04/294,515.80
  6. Step 6: Final answer
    x = 217,168.80

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1.5x scale

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.