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Finding the Fourth Proportional to 420,529.08, 580,243.50 and 241,646.52

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Solution

The fourth proportional to 420,529.08, 580,243.50 and 241,646.52 is: 333,422.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,529.08 : 580,243.50 = 241,646.52 : x
  2. Step 2: Convert to fraction form
    420,529.08/580,243.50 = 241,646.52/x
  3. Step 3: Cross multiply
    420,529.08x = 580,243.50 × 241,646.52
  4. Step 4: Simplify right side
    420,529.08x = 140,213,822,527.62
  5. Step 5: Solve for x
    x = 140,213,822,527.62/420,529.08
  6. Step 6: Final answer
    x = 333,422.42

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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.