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Finding the Fourth Proportional to 526,087.41, 726,000.45 and 284,369.84

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Solution

The fourth proportional to 526,087.41, 726,000.45 and 284,369.84 is: 392,430.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,087.41 : 726,000.45 = 284,369.84 : x
  2. Step 2: Convert to fraction form
    526,087.41/726,000.45 = 284,369.84/x
  3. Step 3: Cross multiply
    526,087.41x = 726,000.45 × 284,369.84
  4. Step 4: Simplify right side
    526,087.41x = 206,452,628,176.43
  5. Step 5: Solve for x
    x = 206,452,628,176.43/526,087.41
  6. Step 6: Final answer
    x = 392,430.28

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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.