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Finding the Fourth Proportional to 520,277.67, 779,943.24 and 200,225.43

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Solution

The fourth proportional to 520,277.67, 779,943.24 and 200,225.43 is: 300,156.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,277.67 : 779,943.24 = 200,225.43 : x
  2. Step 2: Convert to fraction form
    520,277.67/779,943.24 = 200,225.43/x
  3. Step 3: Cross multiply
    520,277.67x = 779,943.24 × 200,225.43
  4. Step 4: Simplify right side
    520,277.67x = 156,164,470,604.59
  5. Step 5: Solve for x
    x = 156,164,470,604.59/520,277.67
  6. Step 6: Final answer
    x = 300,156.01

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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.