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Finding the Fourth Proportional to 562,697.96, 776,536.86 and 308,048.36

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Solution

The fourth proportional to 562,697.96, 776,536.86 and 308,048.36 is: 425,114.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,697.96 : 776,536.86 = 308,048.36 : x
  2. Step 2: Convert to fraction form
    562,697.96/776,536.86 = 308,048.36/x
  3. Step 3: Cross multiply
    562,697.96x = 776,536.86 × 308,048.36
  4. Step 4: Simplify right side
    562,697.96x = 239,210,906,202.55
  5. Step 5: Solve for x
    x = 239,210,906,202.55/562,697.96
  6. Step 6: Final answer
    x = 425,114.22

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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.