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Finding the Fourth Proportional to 576,302.23, 865,062.06 and 323,798.50

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Solution

The fourth proportional to 576,302.23, 865,062.06 and 323,798.50 is: 486,039.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,302.23 : 865,062.06 = 323,798.50 : x
  2. Step 2: Convert to fraction form
    576,302.23/865,062.06 = 323,798.50/x
  3. Step 3: Cross multiply
    576,302.23x = 865,062.06 × 323,798.50
  4. Step 4: Simplify right side
    576,302.23x = 280,105,794,058.01
  5. Step 5: Solve for x
    x = 280,105,794,058.01/576,302.23
  6. Step 6: Final answer
    x = 486,039.76

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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.