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Finding the Fourth Proportional to 363,021.51, 500,931.33 and 201,850.56

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Solution

The fourth proportional to 363,021.51, 500,931.33 and 201,850.56 is: 278,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,021.51 : 500,931.33 = 201,850.56 : x
  2. Step 2: Convert to fraction form
    363,021.51/500,931.33 = 201,850.56/x
  3. Step 3: Cross multiply
    363,021.51x = 500,931.33 × 201,850.56
  4. Step 4: Simplify right side
    363,021.51x = 101,113,269,482.05
  5. Step 5: Solve for x
    x = 101,113,269,482.05/363,021.51
  6. Step 6: Final answer
    x = 278,532.45

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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.