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Finding the Fourth Proportional to 576,187.68, 864,313.92 and 155,496.36

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Solution

The fourth proportional to 576,187.68, 864,313.92 and 155,496.36 is: 233,253.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,187.68 : 864,313.92 = 155,496.36 : x
  2. Step 2: Convert to fraction form
    576,187.68/864,313.92 = 155,496.36/x
  3. Step 3: Cross multiply
    576,187.68x = 864,313.92 × 155,496.36
  4. Step 4: Simplify right side
    576,187.68x = 134,397,668,457.33
  5. Step 5: Solve for x
    x = 134,397,668,457.33/576,187.68
  6. Step 6: Final answer
    x = 233,253.28

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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.