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Finding the Fourth Proportional to 292,752.63, 403,976.06 and 178,015.52

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Solution

The fourth proportional to 292,752.63, 403,976.06 and 178,015.52 is: 245,647.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,752.63 : 403,976.06 = 178,015.52 : x
  2. Step 2: Convert to fraction form
    292,752.63/403,976.06 = 178,015.52/x
  3. Step 3: Cross multiply
    292,752.63x = 403,976.06 × 178,015.52
  4. Step 4: Simplify right side
    292,752.63x = 71,914,009,175.87
  5. Step 5: Solve for x
    x = 71,914,009,175.87/292,752.63
  6. Step 6: Final answer
    x = 245,647.70

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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.