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Finding the Fourth Proportional to 333,904.38, 499,659.33 and 289,079.90

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Solution

The fourth proportional to 333,904.38, 499,659.33 and 289,079.90 is: 432,583.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,904.38 : 499,659.33 = 289,079.90 : x
  2. Step 2: Convert to fraction form
    333,904.38/499,659.33 = 289,079.90/x
  3. Step 3: Cross multiply
    333,904.38x = 499,659.33 × 289,079.90
  4. Step 4: Simplify right side
    333,904.38x = 144,441,467,705.07
  5. Step 5: Solve for x
    x = 144,441,467,705.07/333,904.38
  6. Step 6: Final answer
    x = 432,583.33

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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.