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Finding the Fourth Proportional to 347,217.33, 520,287.27 and 240,808.84

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Solution

The fourth proportional to 347,217.33, 520,287.27 and 240,808.84 is: 360,839.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,217.33 : 520,287.27 = 240,808.84 : x
  2. Step 2: Convert to fraction form
    347,217.33/520,287.27 = 240,808.84/x
  3. Step 3: Cross multiply
    347,217.33x = 520,287.27 × 240,808.84
  4. Step 4: Simplify right side
    347,217.33x = 125,289,773,955.47
  5. Step 5: Solve for x
    x = 125,289,773,955.47/347,217.33
  6. Step 6: Final answer
    x = 360,839.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.