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Finding the Fourth Proportional to 537,490.28, 806,352.06 and 163,503.56

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Solution

The fourth proportional to 537,490.28, 806,352.06 and 163,503.56 is: 245,290.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,490.28 : 806,352.06 = 163,503.56 : x
  2. Step 2: Convert to fraction form
    537,490.28/806,352.06 = 163,503.56/x
  3. Step 3: Cross multiply
    537,490.28x = 806,352.06 × 163,503.56
  4. Step 4: Simplify right side
    537,490.28x = 131,841,435,052.35
  5. Step 5: Solve for x
    x = 131,841,435,052.35/537,490.28
  6. Step 6: Final answer
    x = 245,290.83

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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.