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Finding the Fourth Proportional to 344,637.08, 517,038.24 and 166,936.40

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Solution

The fourth proportional to 344,637.08, 517,038.24 and 166,936.40 is: 250,444.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,637.08 : 517,038.24 = 166,936.40 : x
  2. Step 2: Convert to fraction form
    344,637.08/517,038.24 = 166,936.40/x
  3. Step 3: Cross multiply
    344,637.08x = 517,038.24 × 166,936.40
  4. Step 4: Simplify right side
    344,637.08x = 86,312,502,447.94
  5. Step 5: Solve for x
    x = 86,312,502,447.94/344,637.08
  6. Step 6: Final answer
    x = 250,444.62

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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.