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Finding the Fourth Proportional to 504,579, 756,868.50 and 205,222.44

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Solution

The fourth proportional to 504,579, 756,868.50 and 205,222.44 is: 307,833.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,579 : 756,868.50 = 205,222.44 : x
  2. Step 2: Convert to fraction form
    504,579/756,868.50 = 205,222.44/x
  3. Step 3: Cross multiply
    504,579x = 756,868.50 × 205,222.44
  4. Step 4: Simplify right side
    504,579x = 155,326,400,329.14
  5. Step 5: Solve for x
    x = 155,326,400,329.14/504,579
  6. Step 6: Final answer
    x = 307,833.66

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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.