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Finding the Fourth Proportional to 548,046.97, 756,320.75 and 299,703.52

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Solution

The fourth proportional to 548,046.97, 756,320.75 and 299,703.52 is: 413,599.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,046.97 : 756,320.75 = 299,703.52 : x
  2. Step 2: Convert to fraction form
    548,046.97/756,320.75 = 299,703.52/x
  3. Step 3: Cross multiply
    548,046.97x = 756,320.75 × 299,703.52
  4. Step 4: Simplify right side
    548,046.97x = 226,671,991,024.04
  5. Step 5: Solve for x
    x = 226,671,991,024.04/548,046.97
  6. Step 6: Final answer
    x = 413,599.57

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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.