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Finding the Fourth Proportional to 292,497, 403,646.04 and 158,361

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Solution

The fourth proportional to 292,497, 403,646.04 and 158,361 is: 218,538.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,497 : 403,646.04 = 158,361 : x
  2. Step 2: Convert to fraction form
    292,497/403,646.04 = 158,361/x
  3. Step 3: Cross multiply
    292,497x = 403,646.04 × 158,361
  4. Step 4: Simplify right side
    292,497x = 63,921,790,540.44
  5. Step 5: Solve for x
    x = 63,921,790,540.44/292,497
  6. Step 6: Final answer
    x = 218,538.28

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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.