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Finding the Fourth Proportional to 503,253.76, 694,491.84 and 276,913.28

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Solution

The fourth proportional to 503,253.76, 694,491.84 and 276,913.28 is: 382,141.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,253.76 : 694,491.84 = 276,913.28 : x
  2. Step 2: Convert to fraction form
    503,253.76/694,491.84 = 276,913.28/x
  3. Step 3: Cross multiply
    503,253.76x = 694,491.84 × 276,913.28
  4. Step 4: Simplify right side
    503,253.76x = 192,314,013,347.64
  5. Step 5: Solve for x
    x = 192,314,013,347.64/503,253.76
  6. Step 6: Final answer
    x = 382,141.23

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1.5x scale

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.