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Finding the Fourth Proportional to 503,367.56, 694,646.76 and 277,013.06

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Solution

The fourth proportional to 503,367.56, 694,646.76 and 277,013.06 is: 382,277.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,367.56 : 694,646.76 = 277,013.06 : x
  2. Step 2: Convert to fraction form
    503,367.56/694,646.76 = 277,013.06/x
  3. Step 3: Cross multiply
    503,367.56x = 694,646.76 × 277,013.06
  4. Step 4: Simplify right side
    503,367.56x = 192,426,224,606.69
  5. Step 5: Solve for x
    x = 192,426,224,606.69/503,367.56
  6. Step 6: Final answer
    x = 382,277.76

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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.