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Finding the Fourth Proportional to 503,847, 695,283.12 and 277,448.76

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Solution

The fourth proportional to 503,847, 695,283.12 and 277,448.76 is: 382,865.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,847 : 695,283.12 = 277,448.76 : x
  2. Step 2: Convert to fraction form
    503,847/695,283.12 = 277,448.76/x
  3. Step 3: Cross multiply
    503,847x = 695,283.12 × 277,448.76
  4. Step 4: Simplify right side
    503,847x = 192,905,439,492.93
  5. Step 5: Solve for x
    x = 192,905,439,492.93/503,847
  6. Step 6: Final answer
    x = 382,865.11

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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.