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Finding the Fourth Proportional to 448,304.40, 673,234.20 and 238,352.40

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Solution

The fourth proportional to 448,304.40, 673,234.20 and 238,352.40 is: 357,942.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,304.40 : 673,234.20 = 238,352.40 : x
  2. Step 2: Convert to fraction form
    448,304.40/673,234.20 = 238,352.40/x
  3. Step 3: Cross multiply
    448,304.40x = 673,234.20 × 238,352.40
  4. Step 4: Simplify right side
    448,304.40x = 160,466,987,332.08
  5. Step 5: Solve for x
    x = 160,466,987,332.08/448,304.40
  6. Step 6: Final answer
    x = 357,942.03

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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.