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Finding the Fourth Proportional to 356,246.30, 534,404.52 and 103,529

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Solution

The fourth proportional to 356,246.30, 534,404.52 and 103,529 is: 155,303.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,246.30 : 534,404.52 = 103,529 : x
  2. Step 2: Convert to fraction form
    356,246.30/534,404.52 = 103,529/x
  3. Step 3: Cross multiply
    356,246.30x = 534,404.52 × 103,529
  4. Step 4: Simplify right side
    356,246.30x = 55,326,365,551.08
  5. Step 5: Solve for x
    x = 55,326,365,551.08/356,246.30
  6. Step 6: Final answer
    x = 155,303.69

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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.