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Finding the Fourth Proportional to 544,445.52, 816,834.42 and 278,392.92

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Solution

The fourth proportional to 544,445.52, 816,834.42 and 278,392.92 is: 417,674.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,445.52 : 816,834.42 = 278,392.92 : x
  2. Step 2: Convert to fraction form
    544,445.52/816,834.42 = 278,392.92/x
  3. Step 3: Cross multiply
    544,445.52x = 816,834.42 × 278,392.92
  4. Step 4: Simplify right side
    544,445.52x = 227,400,919,340.31
  5. Step 5: Solve for x
    x = 227,400,919,340.31/544,445.52
  6. Step 6: Final answer
    x = 417,674.33

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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.