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Finding the Fourth Proportional to 576,412.65, 864,650.51 and 239,487.37

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Solution

The fourth proportional to 576,412.65, 864,650.51 and 239,487.37 is: 359,244.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,412.65 : 864,650.51 = 239,487.37 : x
  2. Step 2: Convert to fraction form
    576,412.65/864,650.51 = 239,487.37/x
  3. Step 3: Cross multiply
    576,412.65x = 864,650.51 × 239,487.37
  4. Step 4: Simplify right side
    576,412.65x = 207,072,874,148.07
  5. Step 5: Solve for x
    x = 207,072,874,148.07/576,412.65
  6. Step 6: Final answer
    x = 359,244.15

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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.