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Finding the Fourth Proportional to 541,220.52, 811,590.78 and 288,453.90

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Solution

The fourth proportional to 541,220.52, 811,590.78 and 288,453.90 is: 432,552.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,220.52 : 811,590.78 = 288,453.90 : x
  2. Step 2: Convert to fraction form
    541,220.52/811,590.78 = 288,453.90/x
  3. Step 3: Cross multiply
    541,220.52x = 811,590.78 × 288,453.90
  4. Step 4: Simplify right side
    541,220.52x = 234,106,525,695.04
  5. Step 5: Solve for x
    x = 234,106,525,695.04/541,220.52
  6. Step 6: Final answer
    x = 432,552.94

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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.