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Finding the Fourth Proportional to 441,358.72, 609,069.12 and 240,154.24

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Solution

The fourth proportional to 441,358.72, 609,069.12 and 240,154.24 is: 331,409.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,358.72 : 609,069.12 = 240,154.24 : x
  2. Step 2: Convert to fraction form
    441,358.72/609,069.12 = 240,154.24/x
  3. Step 3: Cross multiply
    441,358.72x = 609,069.12 × 240,154.24
  4. Step 4: Simplify right side
    441,358.72x = 146,270,531,621.07
  5. Step 5: Solve for x
    x = 146,270,531,621.07/441,358.72
  6. Step 6: Final answer
    x = 331,409.63

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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.