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Finding the Fourth Proportional to 217,392.60, 299,655.08 and 171,377.22

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Solution

The fourth proportional to 217,392.60, 299,655.08 and 171,377.22 is: 236,227.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,392.60 : 299,655.08 = 171,377.22 : x
  2. Step 2: Convert to fraction form
    217,392.60/299,655.08 = 171,377.22/x
  3. Step 3: Cross multiply
    217,392.60x = 299,655.08 × 171,377.22
  4. Step 4: Simplify right side
    217,392.60x = 51,354,054,569.28
  5. Step 5: Solve for x
    x = 51,354,054,569.28/217,392.60
  6. Step 6: Final answer
    x = 236,227.24

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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.