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Finding the Fourth Proportional to 347,894.84, 480,088.62 and 194,932.40

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Solution

The fourth proportional to 347,894.84, 480,088.62 and 194,932.40 is: 269,003.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,894.84 : 480,088.62 = 194,932.40 : x
  2. Step 2: Convert to fraction form
    347,894.84/480,088.62 = 194,932.40/x
  3. Step 3: Cross multiply
    347,894.84x = 480,088.62 × 194,932.40
  4. Step 4: Simplify right side
    347,894.84x = 93,584,826,909.29
  5. Step 5: Solve for x
    x = 93,584,826,909.29/347,894.84
  6. Step 6: Final answer
    x = 269,003.20

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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.