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Finding the Fourth Proportional to 508,107.11, 701,137.28 and 293,316.38

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Solution

The fourth proportional to 508,107.11, 701,137.28 and 293,316.38 is: 404,747.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,107.11 : 701,137.28 = 293,316.38 : x
  2. Step 2: Convert to fraction form
    508,107.11/701,137.28 = 293,316.38/x
  3. Step 3: Cross multiply
    508,107.11x = 701,137.28 × 293,316.38
  4. Step 4: Simplify right side
    508,107.11x = 205,655,043,880.38
  5. Step 5: Solve for x
    x = 205,655,043,880.38/508,107.11
  6. Step 6: Final answer
    x = 404,747.43

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.