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Finding the Fourth Proportional to 617,501.43, 926,122.55 and 174,165.75

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Solution

The fourth proportional to 617,501.43, 926,122.55 and 174,165.75 is: 261,212.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,501.43 : 926,122.55 = 174,165.75 : x
  2. Step 2: Convert to fraction form
    617,501.43/926,122.55 = 174,165.75/x
  3. Step 3: Cross multiply
    617,501.43x = 926,122.55 × 174,165.75
  4. Step 4: Simplify right side
    617,501.43x = 161,298,827,641.83
  5. Step 5: Solve for x
    x = 161,298,827,641.83/617,501.43
  6. Step 6: Final answer
    x = 261,212.07

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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.