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Finding the Fourth Proportional to 503,281, 694,532.64 and 276,931.36

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Solution

The fourth proportional to 503,281, 694,532.64 and 276,931.36 is: 382,167.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,281 : 694,532.64 = 276,931.36 : x
  2. Step 2: Convert to fraction form
    503,281/694,532.64 = 276,931.36/x
  3. Step 3: Cross multiply
    503,281x = 694,532.64 × 276,931.36
  4. Step 4: Simplify right side
    503,281x = 192,337,868,559.59
  5. Step 5: Solve for x
    x = 192,337,868,559.59/503,281
  6. Step 6: Final answer
    x = 382,167.95

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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.