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Finding the Fourth Proportional to 292,680, 403,898.52 and 158,544

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Solution

The fourth proportional to 292,680, 403,898.52 and 158,544 is: 218,790.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,680 : 403,898.52 = 158,544 : x
  2. Step 2: Convert to fraction form
    292,680/403,898.52 = 158,544/x
  3. Step 3: Cross multiply
    292,680x = 403,898.52 × 158,544
  4. Step 4: Simplify right side
    292,680x = 64,035,686,954.88
  5. Step 5: Solve for x
    x = 64,035,686,954.88/292,680
  6. Step 6: Final answer
    x = 218,790.79

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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.