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Finding the Fourth Proportional to 588,998.40, 883,886.40 and 336,278.40

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Solution

The fourth proportional to 588,998.40, 883,886.40 and 336,278.40 is: 504,639.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,998.40 : 883,886.40 = 336,278.40 : x
  2. Step 2: Convert to fraction form
    588,998.40/883,886.40 = 336,278.40/x
  3. Step 3: Cross multiply
    588,998.40x = 883,886.40 × 336,278.40
  4. Step 4: Simplify right side
    588,998.40x = 297,231,904,373.76
  5. Step 5: Solve for x
    x = 297,231,904,373.76/588,998.40
  6. Step 6: Final answer
    x = 504,639.58

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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.