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Finding the Fourth Proportional to 576,661.07, 864,842.06 and 171,758.68

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Solution

The fourth proportional to 576,661.07, 864,842.06 and 171,758.68 is: 257,593.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,661.07 : 864,842.06 = 171,758.68 : x
  2. Step 2: Convert to fraction form
    576,661.07/864,842.06 = 171,758.68/x
  3. Step 3: Cross multiply
    576,661.07x = 864,842.06 × 171,758.68
  4. Step 4: Simplify right side
    576,661.07x = 148,544,128,901.37
  5. Step 5: Solve for x
    x = 148,544,128,901.37/576,661.07
  6. Step 6: Final answer
    x = 257,593.47

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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.