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Finding the Fourth Proportional to 293,661.52, 440,477.16 and 172,149.51

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Solution

The fourth proportional to 293,661.52, 440,477.16 and 172,149.51 is: 258,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,661.52 : 440,477.16 = 172,149.51 : x
  2. Step 2: Convert to fraction form
    293,661.52/440,477.16 = 172,149.51/x
  3. Step 3: Cross multiply
    293,661.52x = 440,477.16 × 172,149.51
  4. Step 4: Simplify right side
    293,661.52x = 75,827,927,260.19
  5. Step 5: Solve for x
    x = 75,827,927,260.19/293,661.52
  6. Step 6: Final answer
    x = 258,215.40

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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.