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Finding the Fourth Proportional to 508,100.13, 701,127.65 and 293,309.39

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Solution

The fourth proportional to 508,100.13, 701,127.65 and 293,309.39 is: 404,737.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,100.13 : 701,127.65 = 293,309.39 : x
  2. Step 2: Convert to fraction form
    508,100.13/701,127.65 = 293,309.39/x
  3. Step 3: Cross multiply
    508,100.13x = 701,127.65 × 293,309.39
  4. Step 4: Simplify right side
    508,100.13x = 205,647,323,333.63
  5. Step 5: Solve for x
    x = 205,647,323,333.63/508,100.13
  6. Step 6: Final answer
    x = 404,737.79

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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.