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Finding the Fourth Proportional to 476,202.32, 656,991.24 and 292,377.68

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Solution

The fourth proportional to 476,202.32, 656,991.24 and 292,377.68 is: 403,378.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,202.32 : 656,991.24 = 292,377.68 : x
  2. Step 2: Convert to fraction form
    476,202.32/656,991.24 = 292,377.68/x
  3. Step 3: Cross multiply
    476,202.32x = 656,991.24 × 292,377.68
  4. Step 4: Simplify right side
    476,202.32x = 192,089,574,531.52
  5. Step 5: Solve for x
    x = 192,089,574,531.52/476,202.32
  6. Step 6: Final answer
    x = 403,378.07

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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.