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Finding the Fourth Proportional to 576,845.69, 864,061.63 and 463,915.49

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Solution

The fourth proportional to 576,845.69, 864,061.63 and 463,915.49 is: 694,902.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,845.69 : 864,061.63 = 463,915.49 : x
  2. Step 2: Convert to fraction form
    576,845.69/864,061.63 = 463,915.49/x
  3. Step 3: Cross multiply
    576,845.69x = 864,061.63 × 463,915.49
  4. Step 4: Simplify right side
    576,845.69x = 400,851,574,471.65
  5. Step 5: Solve for x
    x = 400,851,574,471.65/576,845.69
  6. Step 6: Final answer
    x = 694,902.61

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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.