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Finding the Fourth Proportional to 347,366.16, 479,373.88 and 194,403.14

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Solution

The fourth proportional to 347,366.16, 479,373.88 and 194,403.14 is: 268,281.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,366.16 : 479,373.88 = 194,403.14 : x
  2. Step 2: Convert to fraction form
    347,366.16/479,373.88 = 194,403.14/x
  3. Step 3: Cross multiply
    347,366.16x = 479,373.88 × 194,403.14
  4. Step 4: Simplify right side
    347,366.16x = 93,191,787,505.98
  5. Step 5: Solve for x
    x = 93,191,787,505.98/347,366.16
  6. Step 6: Final answer
    x = 268,281.13

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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.