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Finding the Fourth Proportional to 336,883.65, 505,346.33 and 112,264.17

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Solution

The fourth proportional to 336,883.65, 505,346.33 and 112,264.17 is: 168,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,883.65 : 505,346.33 = 112,264.17 : x
  2. Step 2: Convert to fraction form
    336,883.65/505,346.33 = 112,264.17/x
  3. Step 3: Cross multiply
    336,883.65x = 505,346.33 × 112,264.17
  4. Step 4: Simplify right side
    336,883.65x = 56,732,286,300.00
  5. Step 5: Solve for x
    x = 56,732,286,300.00/336,883.65
  6. Step 6: Final answer
    x = 168,403.20

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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.