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Finding the Fourth Proportional to 548,026.52, 756,223.16 and 344,012.22

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Solution

The fourth proportional to 548,026.52, 756,223.16 and 344,012.22 is: 474,703.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,026.52 : 756,223.16 = 344,012.22 : x
  2. Step 2: Convert to fraction form
    548,026.52/756,223.16 = 344,012.22/x
  3. Step 3: Cross multiply
    548,026.52x = 756,223.16 × 344,012.22
  4. Step 4: Simplify right side
    548,026.52x = 260,150,006,366.95
  5. Step 5: Solve for x
    x = 260,150,006,366.95/548,026.52
  6. Step 6: Final answer
    x = 474,703.32

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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.