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Finding the Fourth Proportional to 576,684.84, 864,961.60 and 155,927.92

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Solution

The fourth proportional to 576,684.84, 864,961.60 and 155,927.92 is: 233,874.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,684.84 : 864,961.60 = 155,927.92 : x
  2. Step 2: Convert to fraction form
    576,684.84/864,961.60 = 155,927.92/x
  3. Step 3: Cross multiply
    576,684.84x = 864,961.60 × 155,927.92
  4. Step 4: Simplify right side
    576,684.84x = 134,871,663,167.87
  5. Step 5: Solve for x
    x = 134,871,663,167.87/576,684.84
  6. Step 6: Final answer
    x = 233,874.13

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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.