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Finding the Fourth Proportional to 604,097.14, 904,921.79 and 279,423.80

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Solution

The fourth proportional to 604,097.14, 904,921.79 and 279,423.80 is: 418,569.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,097.14 : 904,921.79 = 279,423.80 : x
  2. Step 2: Convert to fraction form
    604,097.14/904,921.79 = 279,423.80/x
  3. Step 3: Cross multiply
    604,097.14x = 904,921.79 × 279,423.80
  4. Step 4: Simplify right side
    604,097.14x = 252,856,685,264.60
  5. Step 5: Solve for x
    x = 252,856,685,264.60/604,097.14
  6. Step 6: Final answer
    x = 418,569.58

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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.