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Finding the Fourth Proportional to 356,773.60, 534,901.20 and 146,303.20

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Solution

The fourth proportional to 356,773.60, 534,901.20 and 146,303.20 is: 219,348.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,773.60 : 534,901.20 = 146,303.20 : x
  2. Step 2: Convert to fraction form
    356,773.60/534,901.20 = 146,303.20/x
  3. Step 3: Cross multiply
    356,773.60x = 534,901.20 × 146,303.20
  4. Step 4: Simplify right side
    356,773.60x = 78,257,757,243.84
  5. Step 5: Solve for x
    x = 78,257,757,243.84/356,773.60
  6. Step 6: Final answer
    x = 219,348.51

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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.