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Finding the Fourth Proportional to 293,453.60, 440,326.20 and 115,966.40

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Solution

The fourth proportional to 293,453.60, 440,326.20 and 115,966.40 is: 174,007.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,453.60 : 440,326.20 = 115,966.40 : x
  2. Step 2: Convert to fraction form
    293,453.60/440,326.20 = 115,966.40/x
  3. Step 3: Cross multiply
    293,453.60x = 440,326.20 × 115,966.40
  4. Step 4: Simplify right side
    293,453.60x = 51,063,044,239.68
  5. Step 5: Solve for x
    x = 51,063,044,239.68/293,453.60
  6. Step 6: Final answer
    x = 174,007.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.