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Finding the Fourth Proportional to 333,487.37, 459,901.66 and 308,717.52

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Solution

The fourth proportional to 333,487.37, 459,901.66 and 308,717.52 is: 425,742.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,487.37 : 459,901.66 = 308,717.52 : x
  2. Step 2: Convert to fraction form
    333,487.37/459,901.66 = 308,717.52/x
  3. Step 3: Cross multiply
    333,487.37x = 459,901.66 × 308,717.52
  4. Step 4: Simplify right side
    333,487.37x = 141,979,699,919.08
  5. Step 5: Solve for x
    x = 141,979,699,919.08/333,487.37
  6. Step 6: Final answer
    x = 425,742.36

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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.