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Finding the Fourth Proportional to 486,915.99, 730,384.35 and 167,066.46

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Solution

The fourth proportional to 486,915.99, 730,384.35 and 167,066.46 is: 250,603.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,915.99 : 730,384.35 = 167,066.46 : x
  2. Step 2: Convert to fraction form
    486,915.99/730,384.35 = 167,066.46/x
  3. Step 3: Cross multiply
    486,915.99x = 730,384.35 × 167,066.46
  4. Step 4: Simplify right side
    486,915.99x = 122,022,727,793.90
  5. Step 5: Solve for x
    x = 122,022,727,793.90/486,915.99
  6. Step 6: Final answer
    x = 250,603.25

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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.