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Finding the Fourth Proportional to 336,479.58, 464,079.25 and 215,632.10

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Solution

The fourth proportional to 336,479.58, 464,079.25 and 215,632.10 is: 297,404.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,479.58 : 464,079.25 = 215,632.10 : x
  2. Step 2: Convert to fraction form
    336,479.58/464,079.25 = 215,632.10/x
  3. Step 3: Cross multiply
    336,479.58x = 464,079.25 × 215,632.10
  4. Step 4: Simplify right side
    336,479.58x = 100,070,383,243.93
  5. Step 5: Solve for x
    x = 100,070,383,243.93/336,479.58
  6. Step 6: Final answer
    x = 297,404.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.