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Finding the Fourth Proportional to 425,249.07, 586,803.33 and 243,975.93

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Solution

The fourth proportional to 425,249.07, 586,803.33 and 243,975.93 is: 336,663.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,249.07 : 586,803.33 = 243,975.93 : x
  2. Step 2: Convert to fraction form
    425,249.07/586,803.33 = 243,975.93/x
  3. Step 3: Cross multiply
    425,249.07x = 586,803.33 × 243,975.93
  4. Step 4: Simplify right side
    425,249.07x = 143,165,888,163.85
  5. Step 5: Solve for x
    x = 143,165,888,163.85/425,249.07
  6. Step 6: Final answer
    x = 336,663.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.