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Finding the Fourth Proportional to 332,810.10, 499,288.05 and 133,080.30

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Solution

The fourth proportional to 332,810.10, 499,288.05 and 133,080.30 is: 199,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,810.10 : 499,288.05 = 133,080.30 : x
  2. Step 2: Convert to fraction form
    332,810.10/499,288.05 = 133,080.30/x
  3. Step 3: Cross multiply
    332,810.10x = 499,288.05 × 133,080.30
  4. Step 4: Simplify right side
    332,810.10x = 66,445,403,480.42
  5. Step 5: Solve for x
    x = 66,445,403,480.42/332,810.10
  6. Step 6: Final answer
    x = 199,649.60

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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.