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Finding the Fourth Proportional to 356,508.72, 534,403.02 and 223,482.24

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Solution

The fourth proportional to 356,508.72, 534,403.02 and 223,482.24 is: 334,997.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,508.72 : 534,403.02 = 223,482.24 : x
  2. Step 2: Convert to fraction form
    356,508.72/534,403.02 = 223,482.24/x
  3. Step 3: Cross multiply
    356,508.72x = 534,403.02 × 223,482.24
  4. Step 4: Simplify right side
    356,508.72x = 119,429,583,972.37
  5. Step 5: Solve for x
    x = 119,429,583,972.37/356,508.72
  6. Step 6: Final answer
    x = 334,997.65

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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.