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Finding the Fourth Proportional to 537,910.80, 806,866.20 and 360,963.60

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Solution

The fourth proportional to 537,910.80, 806,866.20 and 360,963.60 is: 541,445.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,910.80 : 806,866.20 = 360,963.60 : x
  2. Step 2: Convert to fraction form
    537,910.80/806,866.20 = 360,963.60/x
  3. Step 3: Cross multiply
    537,910.80x = 806,866.20 × 360,963.60
  4. Step 4: Simplify right side
    537,910.80x = 291,249,328,270.32
  5. Step 5: Solve for x
    x = 291,249,328,270.32/537,910.80
  6. Step 6: Final answer
    x = 541,445.40

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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.