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Finding the Fourth Proportional to 504,658.89, 756,364.98 and 433,078.38

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Solution

The fourth proportional to 504,658.89, 756,364.98 and 433,078.38 is: 649,082.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,658.89 : 756,364.98 = 433,078.38 : x
  2. Step 2: Convert to fraction form
    504,658.89/756,364.98 = 433,078.38/x
  3. Step 3: Cross multiply
    504,658.89x = 756,364.98 × 433,078.38
  4. Step 4: Simplify right side
    504,658.89x = 327,565,320,227.13
  5. Step 5: Solve for x
    x = 327,565,320,227.13/504,658.89
  6. Step 6: Final answer
    x = 649,082.63

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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.