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Finding the Fourth Proportional to 576,911.81, 865,368.33 and 150,447.26

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Solution

The fourth proportional to 576,911.81, 865,368.33 and 150,447.26 is: 225,671.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,911.81 : 865,368.33 = 150,447.26 : x
  2. Step 2: Convert to fraction form
    576,911.81/865,368.33 = 150,447.26/x
  3. Step 3: Cross multiply
    576,911.81x = 865,368.33 × 150,447.26
  4. Step 4: Simplify right side
    576,911.81x = 130,192,295,926.58
  5. Step 5: Solve for x
    x = 130,192,295,926.58/576,911.81
  6. Step 6: Final answer
    x = 225,671.05

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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.