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Finding the Fourth Proportional to 293,853.60, 440,780.40 and 188,877.60

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Solution

The fourth proportional to 293,853.60, 440,780.40 and 188,877.60 is: 283,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,853.60 : 440,780.40 = 188,877.60 : x
  2. Step 2: Convert to fraction form
    293,853.60/440,780.40 = 188,877.60/x
  3. Step 3: Cross multiply
    293,853.60x = 440,780.40 × 188,877.60
  4. Step 4: Simplify right side
    293,853.60x = 83,253,544,079.04
  5. Step 5: Solve for x
    x = 83,253,544,079.04/293,853.60
  6. Step 6: Final answer
    x = 283,316.40

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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.