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Finding the Fourth Proportional to 218,114.70, 327,172.05 and 202,368.30

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Solution

The fourth proportional to 218,114.70, 327,172.05 and 202,368.30 is: 303,552.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,114.70 : 327,172.05 = 202,368.30 : x
  2. Step 2: Convert to fraction form
    218,114.70/327,172.05 = 202,368.30/x
  3. Step 3: Cross multiply
    218,114.70x = 327,172.05 × 202,368.30
  4. Step 4: Simplify right side
    218,114.70x = 66,209,251,566.02
  5. Step 5: Solve for x
    x = 66,209,251,566.02/218,114.70
  6. Step 6: Final answer
    x = 303,552.45

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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.