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Finding the Fourth Proportional to 435,993.40, 601,686.12 and 245,002.96

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Solution

The fourth proportional to 435,993.40, 601,686.12 and 245,002.96 is: 338,112.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,993.40 : 601,686.12 = 245,002.96 : x
  2. Step 2: Convert to fraction form
    435,993.40/601,686.12 = 245,002.96/x
  3. Step 3: Cross multiply
    435,993.40x = 601,686.12 × 245,002.96
  4. Step 4: Simplify right side
    435,993.40x = 147,414,880,390.92
  5. Step 5: Solve for x
    x = 147,414,880,390.92/435,993.40
  6. Step 6: Final answer
    x = 338,112.64

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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.