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Finding the Fourth Proportional to 295,761.60, 443,642.40 and 177,566.40

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Solution

The fourth proportional to 295,761.60, 443,642.40 and 177,566.40 is: 266,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,761.60 : 443,642.40 = 177,566.40 : x
  2. Step 2: Convert to fraction form
    295,761.60/443,642.40 = 177,566.40/x
  3. Step 3: Cross multiply
    295,761.60x = 443,642.40 × 177,566.40
  4. Step 4: Simplify right side
    295,761.60x = 78,775,983,855.36
  5. Step 5: Solve for x
    x = 78,775,983,855.36/295,761.60
  6. Step 6: Final answer
    x = 266,349.60

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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.