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Finding the Fourth Proportional to 537,910.80, 806,866.20 and 163,952.40

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Solution

The fourth proportional to 537,910.80, 806,866.20 and 163,952.40 is: 245,928.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,910.80 : 806,866.20 = 163,952.40 : x
  2. Step 2: Convert to fraction form
    537,910.80/806,866.20 = 163,952.40/x
  3. Step 3: Cross multiply
    537,910.80x = 806,866.20 × 163,952.40
  4. Step 4: Simplify right side
    537,910.80x = 132,287,649,968.88
  5. Step 5: Solve for x
    x = 132,287,649,968.88/537,910.80
  6. Step 6: Final answer
    x = 245,928.60

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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.