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Finding the Fourth Proportional to 356,803.20, 534,427.20 and 294,595.20

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Solution

The fourth proportional to 356,803.20, 534,427.20 and 294,595.20 is: 441,250.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,803.20 : 534,427.20 = 294,595.20 : x
  2. Step 2: Convert to fraction form
    356,803.20/534,427.20 = 294,595.20/x
  3. Step 3: Cross multiply
    356,803.20x = 534,427.20 × 294,595.20
  4. Step 4: Simplify right side
    356,803.20x = 157,439,687,869.44
  5. Step 5: Solve for x
    x = 157,439,687,869.44/356,803.20
  6. Step 6: Final answer
    x = 441,250.77

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