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Finding the Fourth Proportional to 347,327.46, 479,332.08 and 194,364.32

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Solution

The fourth proportional to 347,327.46, 479,332.08 and 194,364.32 is: 268,234.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,327.46 : 479,332.08 = 194,364.32 : x
  2. Step 2: Convert to fraction form
    347,327.46/479,332.08 = 194,364.32/x
  3. Step 3: Cross multiply
    347,327.46x = 479,332.08 × 194,364.32
  4. Step 4: Simplify right side
    347,327.46x = 93,165,051,386.73
  5. Step 5: Solve for x
    x = 93,165,051,386.73/347,327.46
  6. Step 6: Final answer
    x = 268,234.05

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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.