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Finding the Fourth Proportional to 579,561.77, 799,794.71 and 324,913.01

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Solution

The fourth proportional to 579,561.77, 799,794.71 and 324,913.01 is: 448,379.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,561.77 : 799,794.71 = 324,913.01 : x
  2. Step 2: Convert to fraction form
    579,561.77/799,794.71 = 324,913.01/x
  3. Step 3: Cross multiply
    579,561.77x = 799,794.71 × 324,913.01
  4. Step 4: Simplify right side
    579,561.77x = 259,863,704,983.61
  5. Step 5: Solve for x
    x = 259,863,704,983.61/579,561.77
  6. Step 6: Final answer
    x = 448,379.65

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1.5x scale

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.