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Finding the Fourth Proportional to 347,886.84, 480,077.58 and 194,924.40

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Solution

The fourth proportional to 347,886.84, 480,077.58 and 194,924.40 is: 268,992.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,886.84 : 480,077.58 = 194,924.40 : x
  2. Step 2: Convert to fraction form
    347,886.84/480,077.58 = 194,924.40/x
  3. Step 3: Cross multiply
    347,886.84x = 480,077.58 × 194,924.40
  4. Step 4: Simplify right side
    347,886.84x = 93,578,834,234.95
  5. Step 5: Solve for x
    x = 93,578,834,234.95/347,886.84
  6. Step 6: Final answer
    x = 268,992.16

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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.