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Finding the Fourth Proportional to 500,289, 750,511.28 and 167,942.76

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Solution

The fourth proportional to 500,289, 750,511.28 and 167,942.76 is: 251,940.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,289 : 750,511.28 = 167,942.76 : x
  2. Step 2: Convert to fraction form
    500,289/750,511.28 = 167,942.76/x
  3. Step 3: Cross multiply
    500,289x = 750,511.28 × 167,942.76
  4. Step 4: Simplify right side
    500,289x = 126,042,935,774.33
  5. Step 5: Solve for x
    x = 126,042,935,774.33/500,289
  6. Step 6: Final answer
    x = 251,940.25

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1.5x scale

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.