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Finding the Fourth Proportional to 502,100.15, 692,914.16 and 275,745.65

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Solution

The fourth proportional to 502,100.15, 692,914.16 and 275,745.65 is: 380,537.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,100.15 : 692,914.16 = 275,745.65 : x
  2. Step 2: Convert to fraction form
    502,100.15/692,914.16 = 275,745.65/x
  3. Step 3: Cross multiply
    502,100.15x = 692,914.16 × 275,745.65
  4. Step 4: Simplify right side
    502,100.15x = 191,068,062,668.20
  5. Step 5: Solve for x
    x = 191,068,062,668.20/502,100.15
  6. Step 6: Final answer
    x = 380,537.76

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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.