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Finding the Fourth Proportional to 397,347.98, 548,332.44 and 216,058.32

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Solution

The fourth proportional to 397,347.98, 548,332.44 and 216,058.32 is: 298,156.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,347.98 : 548,332.44 = 216,058.32 : x
  2. Step 2: Convert to fraction form
    397,347.98/548,332.44 = 216,058.32/x
  3. Step 3: Cross multiply
    397,347.98x = 548,332.44 × 216,058.32
  4. Step 4: Simplify right side
    397,347.98x = 118,471,785,787.90
  5. Step 5: Solve for x
    x = 118,471,785,787.90/397,347.98
  6. Step 6: Final answer
    x = 298,156.26

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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.