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Finding the Fourth Proportional to 375,338.60, 517,919.94 and 299,051.24

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Solution

The fourth proportional to 375,338.60, 517,919.94 and 299,051.24 is: 412,653.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,338.60 : 517,919.94 = 299,051.24 : x
  2. Step 2: Convert to fraction form
    375,338.60/517,919.94 = 299,051.24/x
  3. Step 3: Cross multiply
    375,338.60x = 517,919.94 × 299,051.24
  4. Step 4: Simplify right side
    375,338.60x = 154,884,600,277.73
  5. Step 5: Solve for x
    x = 154,884,600,277.73/375,338.60
  6. Step 6: Final answer
    x = 412,653.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.