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Finding the Fourth Proportional to 250,011.40, 374,433.90 and 245,000.20

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Solution

The fourth proportional to 250,011.40, 374,433.90 and 245,000.20 is: 366,928.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,011.40 : 374,433.90 = 245,000.20 : x
  2. Step 2: Convert to fraction form
    250,011.40/374,433.90 = 245,000.20/x
  3. Step 3: Cross multiply
    250,011.40x = 374,433.90 × 245,000.20
  4. Step 4: Simplify right side
    250,011.40x = 91,736,380,386.78
  5. Step 5: Solve for x
    x = 91,736,380,386.78/250,011.40
  6. Step 6: Final answer
    x = 366,928.79

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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.