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Finding the Fourth Proportional to 576,845.70, 864,061.64 and 463,915.50

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Solution

The fourth proportional to 576,845.70, 864,061.64 and 463,915.50 is: 694,902.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,845.70 : 864,061.64 = 463,915.50 : x
  2. Step 2: Convert to fraction form
    576,845.70/864,061.64 = 463,915.50/x
  3. Step 3: Cross multiply
    576,845.70x = 864,061.64 × 463,915.50
  4. Step 4: Simplify right side
    576,845.70x = 400,851,587,751.42
  5. Step 5: Solve for x
    x = 400,851,587,751.42/576,845.70
  6. Step 6: Final answer
    x = 694,902.62

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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.