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Finding the Fourth Proportional to 202,318.90, 303,478.35 and 162,952.90

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Solution

The fourth proportional to 202,318.90, 303,478.35 and 162,952.90 is: 244,429.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,318.90 : 303,478.35 = 162,952.90 : x
  2. Step 2: Convert to fraction form
    202,318.90/303,478.35 = 162,952.90/x
  3. Step 3: Cross multiply
    202,318.90x = 303,478.35 × 162,952.90
  4. Step 4: Simplify right side
    202,318.90x = 49,452,677,219.72
  5. Step 5: Solve for x
    x = 49,452,677,219.72/202,318.90
  6. Step 6: Final answer
    x = 244,429.35

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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.