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Finding the Fourth Proportional to 537,914.80, 806,872.20 and 163,937.20

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Solution

The fourth proportional to 537,914.80, 806,872.20 and 163,937.20 is: 245,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,914.80 : 806,872.20 = 163,937.20 : x
  2. Step 2: Convert to fraction form
    537,914.80/806,872.20 = 163,937.20/x
  3. Step 3: Cross multiply
    537,914.80x = 806,872.20 × 163,937.20
  4. Step 4: Simplify right side
    537,914.80x = 132,276,369,225.84
  5. Step 5: Solve for x
    x = 132,276,369,225.84/537,914.80
  6. Step 6: Final answer
    x = 245,905.80

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1.5x scale

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.