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Finding the Fourth Proportional to 503,809.85, 755,058.68 and 204,045.05

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Solution

The fourth proportional to 503,809.85, 755,058.68 and 204,045.05 is: 305,801.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,809.85 : 755,058.68 = 204,045.05 : x
  2. Step 2: Convert to fraction form
    503,809.85/755,058.68 = 204,045.05/x
  3. Step 3: Cross multiply
    503,809.85x = 755,058.68 × 204,045.05
  4. Step 4: Simplify right side
    503,809.85x = 154,065,985,093.31
  5. Step 5: Solve for x
    x = 154,065,985,093.31/503,809.85
  6. Step 6: Final answer
    x = 305,801.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.