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Finding the Fourth Proportional to 508,099.09, 701,126.20 and 293,308.35

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Solution

The fourth proportional to 508,099.09, 701,126.20 and 293,308.35 is: 404,736.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,099.09 : 701,126.20 = 293,308.35 : x
  2. Step 2: Convert to fraction form
    508,099.09/701,126.20 = 293,308.35/x
  3. Step 3: Cross multiply
    508,099.09x = 701,126.20 × 293,308.35
  4. Step 4: Simplify right side
    508,099.09x = 205,646,168,863.77
  5. Step 5: Solve for x
    x = 205,646,168,863.77/508,099.09
  6. Step 6: Final answer
    x = 404,736.35

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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.