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Finding the Fourth Proportional to 349,735.32, 482,672.12 and 213,848.91

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Solution

The fourth proportional to 349,735.32, 482,672.12 and 213,848.91 is: 295,134.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,735.32 : 482,672.12 = 213,848.91 : x
  2. Step 2: Convert to fraction form
    349,735.32/482,672.12 = 213,848.91/x
  3. Step 3: Cross multiply
    349,735.32x = 482,672.12 × 213,848.91
  4. Step 4: Simplify right side
    349,735.32x = 103,218,905,680.15
  5. Step 5: Solve for x
    x = 103,218,905,680.15/349,735.32
  6. Step 6: Final answer
    x = 295,134.35

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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.