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Finding the Fourth Proportional to 541,836.39, 812,793.54 and 186,845.28

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Solution

The fourth proportional to 541,836.39, 812,793.54 and 186,845.28 is: 280,281.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,836.39 : 812,793.54 = 186,845.28 : x
  2. Step 2: Convert to fraction form
    541,836.39/812,793.54 = 186,845.28/x
  3. Step 3: Cross multiply
    541,836.39x = 812,793.54 × 186,845.28
  4. Step 4: Simplify right side
    541,836.39x = 151,866,636,563.49
  5. Step 5: Solve for x
    x = 151,866,636,563.49/541,836.39
  6. Step 6: Final answer
    x = 280,281.35

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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.