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Finding the Fourth Proportional to 695,216.25, 959,398.43 and 377,264.25

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Solution

The fourth proportional to 695,216.25, 959,398.43 and 377,264.25 is: 520,624.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,216.25 : 959,398.43 = 377,264.25 : x
  2. Step 2: Convert to fraction form
    695,216.25/959,398.43 = 377,264.25/x
  3. Step 3: Cross multiply
    695,216.25x = 959,398.43 × 377,264.25
  4. Step 4: Simplify right side
    695,216.25x = 361,946,727,258.81
  5. Step 5: Solve for x
    x = 361,946,727,258.81/695,216.25
  6. Step 6: Final answer
    x = 520,624.67

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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.