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Finding the Fourth Proportional to 295,962.30, 443,943.45 and 129,750.30

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Solution

The fourth proportional to 295,962.30, 443,943.45 and 129,750.30 is: 194,625.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,962.30 : 443,943.45 = 129,750.30 : x
  2. Step 2: Convert to fraction form
    295,962.30/443,943.45 = 129,750.30/x
  3. Step 3: Cross multiply
    295,962.30x = 443,943.45 × 129,750.30
  4. Step 4: Simplify right side
    295,962.30x = 57,601,795,820.54
  5. Step 5: Solve for x
    x = 57,601,795,820.54/295,962.30
  6. Step 6: Final answer
    x = 194,625.45

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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.