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Finding the Fourth Proportional to 576,134.59, 864,217.68 and 155,409.25

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Solution

The fourth proportional to 576,134.59, 864,217.68 and 155,409.25 is: 233,118.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,134.59 : 864,217.68 = 155,409.25 : x
  2. Step 2: Convert to fraction form
    576,134.59/864,217.68 = 155,409.25/x
  3. Step 3: Cross multiply
    576,134.59x = 864,217.68 × 155,409.25
  4. Step 4: Simplify right side
    576,134.59x = 134,307,421,485.54
  5. Step 5: Solve for x
    x = 134,307,421,485.54/576,134.59
  6. Step 6: Final answer
    x = 233,118.14

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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.