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Finding the Fourth Proportional to 576,523.36, 864,804.48 and 155,802.88

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Solution

The fourth proportional to 576,523.36, 864,804.48 and 155,802.88 is: 233,709.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,523.36 : 864,804.48 = 155,802.88 : x
  2. Step 2: Convert to fraction form
    576,523.36/864,804.48 = 155,802.88/x
  3. Step 3: Cross multiply
    576,523.36x = 864,804.48 × 155,802.88
  4. Step 4: Simplify right side
    576,523.36x = 134,739,028,620.90
  5. Step 5: Solve for x
    x = 134,739,028,620.90/576,523.36
  6. Step 6: Final answer
    x = 233,709.57

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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.