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Finding the Fourth Proportional to 347,197.40, 479,404.19 and 266,497.10

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Solution

The fourth proportional to 347,197.40, 479,404.19 and 266,497.10 is: 367,974.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,197.40 : 479,404.19 = 266,497.10 : x
  2. Step 2: Convert to fraction form
    347,197.40/479,404.19 = 266,497.10/x
  3. Step 3: Cross multiply
    347,197.40x = 479,404.19 × 266,497.10
  4. Step 4: Simplify right side
    347,197.40x = 127,759,824,632.07
  5. Step 5: Solve for x
    x = 127,759,824,632.07/347,197.40
  6. Step 6: Final answer
    x = 367,974.61

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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.