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Finding the Fourth Proportional to 503,393.31, 694,684.15 and 277,038.81

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Solution

The fourth proportional to 503,393.31, 694,684.15 and 277,038.81 is: 382,314.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,393.31 : 694,684.15 = 277,038.81 : x
  2. Step 2: Convert to fraction form
    503,393.31/694,684.15 = 277,038.81/x
  3. Step 3: Cross multiply
    503,393.31x = 694,684.15 × 277,038.81
  4. Step 4: Simplify right side
    503,393.31x = 192,454,470,241.86
  5. Step 5: Solve for x
    x = 192,454,470,241.86/503,393.31
  6. Step 6: Final answer
    x = 382,314.32

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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.