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Finding the Fourth Proportional to 292,370.26, 403,402.53 and 171,505.30

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Solution

The fourth proportional to 292,370.26, 403,402.53 and 171,505.30 is: 236,637.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,370.26 : 403,402.53 = 171,505.30 : x
  2. Step 2: Convert to fraction form
    292,370.26/403,402.53 = 171,505.30/x
  3. Step 3: Cross multiply
    292,370.26x = 403,402.53 × 171,505.30
  4. Step 4: Simplify right side
    292,370.26x = 69,185,671,928.41
  5. Step 5: Solve for x
    x = 69,185,671,928.41/292,370.26
  6. Step 6: Final answer
    x = 236,637.17

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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.