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Finding the Fourth Proportional to 562,698.14, 776,523.48 and 308,049.33

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Solution

The fourth proportional to 562,698.14, 776,523.48 and 308,049.33 is: 425,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,698.14 : 776,523.48 = 308,049.33 : x
  2. Step 2: Convert to fraction form
    562,698.14/776,523.48 = 308,049.33/x
  3. Step 3: Cross multiply
    562,698.14x = 776,523.48 × 308,049.33
  4. Step 4: Simplify right side
    562,698.14x = 239,207,535,132.10
  5. Step 5: Solve for x
    x = 239,207,535,132.10/562,698.14
  6. Step 6: Final answer
    x = 425,108.10

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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.