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Finding the Fourth Proportional to 522,670.40, 784,026.88 and 248,975.92

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Solution

The fourth proportional to 522,670.40, 784,026.88 and 248,975.92 is: 373,474.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,670.40 : 784,026.88 = 248,975.92 : x
  2. Step 2: Convert to fraction form
    522,670.40/784,026.88 = 248,975.92/x
  3. Step 3: Cross multiply
    522,670.40x = 784,026.88 × 248,975.92
  4. Step 4: Simplify right side
    522,670.40x = 195,203,813,752.73
  5. Step 5: Solve for x
    x = 195,203,813,752.73/522,670.40
  6. Step 6: Final answer
    x = 373,474.02

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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.