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Finding the Fourth Proportional to 508,375.71, 701,618.36 and 282,035.79

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Solution

The fourth proportional to 508,375.71, 701,618.36 and 282,035.79 is: 389,242.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,375.71 : 701,618.36 = 282,035.79 : x
  2. Step 2: Convert to fraction form
    508,375.71/701,618.36 = 282,035.79/x
  3. Step 3: Cross multiply
    508,375.71x = 701,618.36 × 282,035.79
  4. Step 4: Simplify right side
    508,375.71x = 197,881,487,030.93
  5. Step 5: Solve for x
    x = 197,881,487,030.93/508,375.71
  6. Step 6: Final answer
    x = 389,242.61

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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.