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Finding the Fourth Proportional to 333,603.54, 500,436 and 108,965.16

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Solution

The fourth proportional to 333,603.54, 500,436 and 108,965.16 is: 163,457.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,603.54 : 500,436 = 108,965.16 : x
  2. Step 2: Convert to fraction form
    333,603.54/500,436 = 108,965.16/x
  3. Step 3: Cross multiply
    333,603.54x = 500,436 × 108,965.16
  4. Step 4: Simplify right side
    333,603.54x = 54,530,088,809.76
  5. Step 5: Solve for x
    x = 54,530,088,809.76/333,603.54
  6. Step 6: Final answer
    x = 163,457.76

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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.