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Finding the Fourth Proportional to 238,364.46, 328,848.93 and 153,530.73

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Solution

The fourth proportional to 238,364.46, 328,848.93 and 153,530.73 is: 211,811.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,364.46 : 328,848.93 = 153,530.73 : x
  2. Step 2: Convert to fraction form
    238,364.46/328,848.93 = 153,530.73/x
  3. Step 3: Cross multiply
    238,364.46x = 328,848.93 × 153,530.73
  4. Step 4: Simplify right side
    238,364.46x = 50,488,416,282.62
  5. Step 5: Solve for x
    x = 50,488,416,282.62/238,364.46
  6. Step 6: Final answer
    x = 211,811.85

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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.