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Finding the Fourth Proportional to 292,393.16, 403,506 and 171,536.54

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Solution

The fourth proportional to 292,393.16, 403,506 and 171,536.54 is: 236,722.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,393.16 : 403,506 = 171,536.54 : x
  2. Step 2: Convert to fraction form
    292,393.16/403,506 = 171,536.54/x
  3. Step 3: Cross multiply
    292,393.16x = 403,506 × 171,536.54
  4. Step 4: Simplify right side
    292,393.16x = 69,216,023,109.24
  5. Step 5: Solve for x
    x = 69,216,023,109.24/292,393.16
  6. Step 6: Final answer
    x = 236,722.44

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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.