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Finding the Fourth Proportional to 507,251.08, 699,981.18 and 292,378.12

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Solution

The fourth proportional to 507,251.08, 699,981.18 and 292,378.12 is: 403,467.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,251.08 : 699,981.18 = 292,378.12 : x
  2. Step 2: Convert to fraction form
    507,251.08/699,981.18 = 292,378.12/x
  3. Step 3: Cross multiply
    507,251.08x = 699,981.18 × 292,378.12
  4. Step 4: Simplify right side
    507,251.08x = 204,659,181,443.78
  5. Step 5: Solve for x
    x = 204,659,181,443.78/507,251.08
  6. Step 6: Final answer
    x = 403,467.22

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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.