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Finding the Fourth Proportional to 500,877.72, 751,316.66 and 303,471

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Solution

The fourth proportional to 500,877.72, 751,316.66 and 303,471 is: 455,206.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,877.72 : 751,316.66 = 303,471 : x
  2. Step 2: Convert to fraction form
    500,877.72/751,316.66 = 303,471/x
  3. Step 3: Cross multiply
    500,877.72x = 751,316.66 × 303,471
  4. Step 4: Simplify right side
    500,877.72x = 228,002,818,126.86
  5. Step 5: Solve for x
    x = 228,002,818,126.86/500,877.72
  6. Step 6: Final answer
    x = 455,206.55

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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.