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Finding the Fourth Proportional to 580,928.20, 871,368.60 and 201,934.86

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Solution

The fourth proportional to 580,928.20, 871,368.60 and 201,934.86 is: 302,894.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,928.20 : 871,368.60 = 201,934.86 : x
  2. Step 2: Convert to fraction form
    580,928.20/871,368.60 = 201,934.86/x
  3. Step 3: Cross multiply
    580,928.20x = 871,368.60 × 201,934.86
  4. Step 4: Simplify right side
    580,928.20x = 175,959,696,249.40
  5. Step 5: Solve for x
    x = 175,959,696,249.40/580,928.20
  6. Step 6: Final answer
    x = 302,894.05

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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.