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Finding the Fourth Proportional to 347,221.56, 520,293.66 and 240,813.12

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Solution

The fourth proportional to 347,221.56, 520,293.66 and 240,813.12 is: 360,846.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,221.56 : 520,293.66 = 240,813.12 : x
  2. Step 2: Convert to fraction form
    347,221.56/520,293.66 = 240,813.12/x
  3. Step 3: Cross multiply
    347,221.56x = 520,293.66 × 240,813.12
  4. Step 4: Simplify right side
    347,221.56x = 125,293,539,580.82
  5. Step 5: Solve for x
    x = 125,293,539,580.82/347,221.56
  6. Step 6: Final answer
    x = 360,846.08

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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.