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Finding the Fourth Proportional to 576,574.05, 864,943.77 and 177,248.31

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Solution

The fourth proportional to 576,574.05, 864,943.77 and 177,248.31 is: 265,897.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,574.05 : 864,943.77 = 177,248.31 : x
  2. Step 2: Convert to fraction form
    576,574.05/864,943.77 = 177,248.31/x
  3. Step 3: Cross multiply
    576,574.05x = 864,943.77 × 177,248.31
  4. Step 4: Simplify right side
    576,574.05x = 153,309,821,477.53
  5. Step 5: Solve for x
    x = 153,309,821,477.53/576,574.05
  6. Step 6: Final answer
    x = 265,897.89

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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.