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Finding the Fourth Proportional to 508,260.84, 701,483.94 and 281,979.24

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Solution

The fourth proportional to 508,260.84, 701,483.94 and 281,979.24 is: 389,177.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,260.84 : 701,483.94 = 281,979.24 : x
  2. Step 2: Convert to fraction form
    508,260.84/701,483.94 = 281,979.24/x
  3. Step 3: Cross multiply
    508,260.84x = 701,483.94 × 281,979.24
  4. Step 4: Simplify right side
    508,260.84x = 197,803,908,273.41
  5. Step 5: Solve for x
    x = 197,803,908,273.41/508,260.84
  6. Step 6: Final answer
    x = 389,177.94

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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.