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Finding the Fourth Proportional to 538,677.73, 743,377.26 and 293,661.10

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Solution

The fourth proportional to 538,677.73, 743,377.26 and 293,661.10 is: 405,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,677.73 : 743,377.26 = 293,661.10 : x
  2. Step 2: Convert to fraction form
    538,677.73/743,377.26 = 293,661.10/x
  3. Step 3: Cross multiply
    538,677.73x = 743,377.26 × 293,661.10
  4. Step 4: Simplify right side
    538,677.73x = 218,300,983,886.59
  5. Step 5: Solve for x
    x = 218,300,983,886.59/538,677.73
  6. Step 6: Final answer
    x = 405,253.40

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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.