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Finding the Fourth Proportional to 508,091.20, 701,115.28 and 293,300.48

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Solution

The fourth proportional to 508,091.20, 701,115.28 and 293,300.48 is: 404,725.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,091.20 : 701,115.28 = 293,300.48 : x
  2. Step 2: Convert to fraction form
    508,091.20/701,115.28 = 293,300.48/x
  3. Step 3: Cross multiply
    508,091.20x = 701,115.28 × 293,300.48
  4. Step 4: Simplify right side
    508,091.20x = 205,637,448,159.33
  5. Step 5: Solve for x
    x = 205,637,448,159.33/508,091.20
  6. Step 6: Final answer
    x = 404,725.47

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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.