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Finding the Fourth Proportional to 336,152.80, 504,229.20 and 260,045.20

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Solution

The fourth proportional to 336,152.80, 504,229.20 and 260,045.20 is: 390,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,152.80 : 504,229.20 = 260,045.20 : x
  2. Step 2: Convert to fraction form
    336,152.80/504,229.20 = 260,045.20/x
  3. Step 3: Cross multiply
    336,152.80x = 504,229.20 × 260,045.20
  4. Step 4: Simplify right side
    336,152.80x = 131,122,383,159.84
  5. Step 5: Solve for x
    x = 131,122,383,159.84/336,152.80
  6. Step 6: Final answer
    x = 390,067.80

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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.