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Finding the Fourth Proportional to 397,346.71, 548,334.67 and 216,058.76

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Solution

The fourth proportional to 397,346.71, 548,334.67 and 216,058.76 is: 298,159.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,346.71 : 548,334.67 = 216,058.76 : x
  2. Step 2: Convert to fraction form
    397,346.71/548,334.67 = 216,058.76/x
  3. Step 3: Cross multiply
    397,346.71x = 548,334.67 × 216,058.76
  4. Step 4: Simplify right side
    397,346.71x = 118,472,508,865.21
  5. Step 5: Solve for x
    x = 118,472,508,865.21/397,346.71
  6. Step 6: Final answer
    x = 298,159.03

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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.