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Finding the Fourth Proportional to 504,975.72, 756,888.06 and 315,523.56

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Solution

The fourth proportional to 504,975.72, 756,888.06 and 315,523.56 is: 472,925.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,975.72 : 756,888.06 = 315,523.56 : x
  2. Step 2: Convert to fraction form
    504,975.72/756,888.06 = 315,523.56/x
  3. Step 3: Cross multiply
    504,975.72x = 756,888.06 × 315,523.56
  4. Step 4: Simplify right side
    504,975.72x = 238,816,015,212.69
  5. Step 5: Solve for x
    x = 238,816,015,212.69/504,975.72
  6. Step 6: Final answer
    x = 472,925.74

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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.