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Finding the Fourth Proportional to 292,298.20, 437,669.70 and 186,544.60

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Solution

The fourth proportional to 292,298.20, 437,669.70 and 186,544.60 is: 279,320.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,298.20 : 437,669.70 = 186,544.60 : x
  2. Step 2: Convert to fraction form
    292,298.20/437,669.70 = 186,544.60/x
  3. Step 3: Cross multiply
    292,298.20x = 437,669.70 × 186,544.60
  4. Step 4: Simplify right side
    292,298.20x = 81,644,919,118.62
  5. Step 5: Solve for x
    x = 81,644,919,118.62/292,298.20
  6. Step 6: Final answer
    x = 279,320.64

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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.