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Finding the Fourth Proportional to 333,905.60, 499,661.16 and 289,081.14

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Solution

The fourth proportional to 333,905.60, 499,661.16 and 289,081.14 is: 432,585.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,905.60 : 499,661.16 = 289,081.14 : x
  2. Step 2: Convert to fraction form
    333,905.60/499,661.16 = 289,081.14/x
  3. Step 3: Cross multiply
    333,905.60x = 499,661.16 × 289,081.14
  4. Step 4: Simplify right side
    333,905.60x = 144,442,616,414.82
  5. Step 5: Solve for x
    x = 144,442,616,414.82/333,905.60
  6. Step 6: Final answer
    x = 432,585.19

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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.