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Finding the Fourth Proportional to 503,809.38, 695,248.65 and 277,475.94

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Solution

The fourth proportional to 503,809.38, 695,248.65 and 277,475.94 is: 382,912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,809.38 : 695,248.65 = 277,475.94 : x
  2. Step 2: Convert to fraction form
    503,809.38/695,248.65 = 277,475.94/x
  3. Step 3: Cross multiply
    503,809.38x = 695,248.65 × 277,475.94
  4. Step 4: Simplify right side
    503,809.38x = 192,914,772,692.48
  5. Step 5: Solve for x
    x = 192,914,772,692.48/503,809.38
  6. Step 6: Final answer
    x = 382,912.23

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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.