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Finding the Fourth Proportional to 503,373.57, 694,655.61 and 277,019.07

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Solution

The fourth proportional to 503,373.57, 694,655.61 and 277,019.07 is: 382,286.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,373.57 : 694,655.61 = 277,019.07 : x
  2. Step 2: Convert to fraction form
    503,373.57/694,655.61 = 277,019.07/x
  3. Step 3: Cross multiply
    503,373.57x = 694,655.61 × 277,019.07
  4. Step 4: Simplify right side
    503,373.57x = 192,432,851,052.48
  5. Step 5: Solve for x
    x = 192,432,851,052.48/503,373.57
  6. Step 6: Final answer
    x = 382,286.36

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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.