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Finding the Fourth Proportional to 479,898.16, 662,264.00 and 273,156.45

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Solution

The fourth proportional to 479,898.16, 662,264.00 and 273,156.45 is: 376,958.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,898.16 : 662,264.00 = 273,156.45 : x
  2. Step 2: Convert to fraction form
    479,898.16/662,264.00 = 273,156.45/x
  3. Step 3: Cross multiply
    479,898.16x = 662,264.00 × 273,156.45
  4. Step 4: Simplify right side
    479,898.16x = 180,901,680,377.86
  5. Step 5: Solve for x
    x = 180,901,680,377.86/479,898.16
  6. Step 6: Final answer
    x = 376,958.48

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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.