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Finding the Fourth Proportional to 292,844.70, 438,807.60 and 174,451.32

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Solution

The fourth proportional to 292,844.70, 438,807.60 and 174,451.32 is: 261,403.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,844.70 : 438,807.60 = 174,451.32 : x
  2. Step 2: Convert to fraction form
    292,844.70/438,807.60 = 174,451.32/x
  3. Step 3: Cross multiply
    292,844.70x = 438,807.60 × 174,451.32
  4. Step 4: Simplify right side
    292,844.70x = 76,550,565,046.03
  5. Step 5: Solve for x
    x = 76,550,565,046.03/292,844.70
  6. Step 6: Final answer
    x = 261,403.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.