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Finding the Fourth Proportional to 479,898.35, 662,264.25 and 273,156.64

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Solution

The fourth proportional to 479,898.35, 662,264.25 and 273,156.64 is: 376,958.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,898.35 : 662,264.25 = 273,156.64 : x
  2. Step 2: Convert to fraction form
    479,898.35/662,264.25 = 273,156.64/x
  3. Step 3: Cross multiply
    479,898.35x = 662,264.25 × 273,156.64
  4. Step 4: Simplify right side
    479,898.35x = 180,901,875,666.46
  5. Step 5: Solve for x
    x = 180,901,875,666.46/479,898.35
  6. Step 6: Final answer
    x = 376,958.74

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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.