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Finding the Fourth Proportional to 296,007.40, 443,751.90 and 177,725.80

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Solution

The fourth proportional to 296,007.40, 443,751.90 and 177,725.80 is: 266,433.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,007.40 : 443,751.90 = 177,725.80 : x
  2. Step 2: Convert to fraction form
    296,007.40/443,751.90 = 177,725.80/x
  3. Step 3: Cross multiply
    296,007.40x = 443,751.90 × 177,725.80
  4. Step 4: Simplify right side
    296,007.40x = 78,866,161,429.02
  5. Step 5: Solve for x
    x = 78,866,161,429.02/296,007.40
  6. Step 6: Final answer
    x = 266,433.07

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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.