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Finding the Fourth Proportional to 358,756.03, 538,134.72 and 336,834.09

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Solution

The fourth proportional to 358,756.03, 538,134.72 and 336,834.09 is: 505,251.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,756.03 : 538,134.72 = 336,834.09 : x
  2. Step 2: Convert to fraction form
    358,756.03/538,134.72 = 336,834.09/x
  3. Step 3: Cross multiply
    358,756.03x = 538,134.72 × 336,834.09
  4. Step 4: Simplify right side
    358,756.03x = 181,262,118,708.61
  5. Step 5: Solve for x
    x = 181,262,118,708.61/358,756.03
  6. Step 6: Final answer
    x = 505,251.77

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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.