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Finding the Fourth Proportional to 569,079.57, 785,493.45 and 375,628.49

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Solution

The fourth proportional to 569,079.57, 785,493.45 and 375,628.49 is: 518,475.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,079.57 : 785,493.45 = 375,628.49 : x
  2. Step 2: Convert to fraction form
    569,079.57/785,493.45 = 375,628.49/x
  3. Step 3: Cross multiply
    569,079.57x = 785,493.45 × 375,628.49
  4. Step 4: Simplify right side
    569,079.57x = 295,053,717,546.52
  5. Step 5: Solve for x
    x = 295,053,717,546.52/569,079.57
  6. Step 6: Final answer
    x = 518,475.33

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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.