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Finding the Fourth Proportional to 336,454.88, 504,684.40 and 99,799.52

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Solution

The fourth proportional to 336,454.88, 504,684.40 and 99,799.52 is: 149,699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,454.88 : 504,684.40 = 99,799.52 : x
  2. Step 2: Convert to fraction form
    336,454.88/504,684.40 = 99,799.52/x
  3. Step 3: Cross multiply
    336,454.88x = 504,684.40 × 99,799.52
  4. Step 4: Simplify right side
    336,454.88x = 50,367,260,871.49
  5. Step 5: Solve for x
    x = 50,367,260,871.49/336,454.88
  6. Step 6: Final answer
    x = 149,699.90

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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.