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Finding the Fourth Proportional to 503,360.17, 694,637.13 and 277,005.67

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Solution

The fourth proportional to 503,360.17, 694,637.13 and 277,005.67 is: 382,267.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,360.17 : 694,637.13 = 277,005.67 : x
  2. Step 2: Convert to fraction form
    503,360.17/694,637.13 = 277,005.67/x
  3. Step 3: Cross multiply
    503,360.17x = 694,637.13 × 277,005.67
  4. Step 4: Simplify right side
    503,360.17x = 192,418,423,602.53
  5. Step 5: Solve for x
    x = 192,418,423,602.53/503,360.17
  6. Step 6: Final answer
    x = 382,267.88

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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.