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Finding the Fourth Proportional to 576,543.93, 864,065.78 and 234,588.86

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Solution

The fourth proportional to 576,543.93, 864,065.78 and 234,588.86 is: 351,578.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,543.93 : 864,065.78 = 234,588.86 : x
  2. Step 2: Convert to fraction form
    576,543.93/864,065.78 = 234,588.86/x
  3. Step 3: Cross multiply
    576,543.93x = 864,065.78 × 234,588.86
  4. Step 4: Simplify right side
    576,543.93x = 202,700,200,801.94
  5. Step 5: Solve for x
    x = 202,700,200,801.94/576,543.93
  6. Step 6: Final answer
    x = 351,578.07

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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.