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Finding the Fourth Proportional to 504,043.30, 756,064.95 and 149,025.70

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Solution

The fourth proportional to 504,043.30, 756,064.95 and 149,025.70 is: 223,538.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,043.30 : 756,064.95 = 149,025.70 : x
  2. Step 2: Convert to fraction form
    504,043.30/756,064.95 = 149,025.70/x
  3. Step 3: Cross multiply
    504,043.30x = 756,064.95 × 149,025.70
  4. Step 4: Simplify right side
    504,043.30x = 112,673,108,419.22
  5. Step 5: Solve for x
    x = 112,673,108,419.22/504,043.30
  6. Step 6: Final answer
    x = 223,538.55

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Similar ratio
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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.