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Finding the Fourth Proportional to 347,216.83, 520,286.52 and 240,808.34

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Solution

The fourth proportional to 347,216.83, 520,286.52 and 240,808.34 is: 360,838.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,216.83 : 520,286.52 = 240,808.34 : x
  2. Step 2: Convert to fraction form
    347,216.83/520,286.52 = 240,808.34/x
  3. Step 3: Cross multiply
    347,216.83x = 520,286.52 × 240,808.34
  4. Step 4: Simplify right side
    347,216.83x = 125,289,333,205.58
  5. Step 5: Solve for x
    x = 125,289,333,205.58/347,216.83
  6. Step 6: Final answer
    x = 360,838.89

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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.