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Finding the Fourth Proportional to 544,378.84, 751,255 and 299,348.07

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Solution

The fourth proportional to 544,378.84, 751,255 and 299,348.07 is: 413,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,378.84 : 751,255 = 299,348.07 : x
  2. Step 2: Convert to fraction form
    544,378.84/751,255 = 299,348.07/x
  3. Step 3: Cross multiply
    544,378.84x = 751,255 × 299,348.07
  4. Step 4: Simplify right side
    544,378.84x = 224,886,734,327.85
  5. Step 5: Solve for x
    x = 224,886,734,327.85/544,378.84
  6. Step 6: Final answer
    x = 413,107.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.