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Finding the Fourth Proportional to 560,725.62, 773,799.12 and 306,077.01

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Solution

The fourth proportional to 560,725.62, 773,799.12 and 306,077.01 is: 422,385.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,725.62 : 773,799.12 = 306,077.01 : x
  2. Step 2: Convert to fraction form
    560,725.62/773,799.12 = 306,077.01/x
  3. Step 3: Cross multiply
    560,725.62x = 773,799.12 × 306,077.01
  4. Step 4: Simplify right side
    560,725.62x = 236,842,120,990.23
  5. Step 5: Solve for x
    x = 236,842,120,990.23/560,725.62
  6. Step 6: Final answer
    x = 422,385.05

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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.