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Finding the Fourth Proportional to 528,062.20, 792,093.30 and 318,110.20

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Solution

The fourth proportional to 528,062.20, 792,093.30 and 318,110.20 is: 477,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,062.20 : 792,093.30 = 318,110.20 : x
  2. Step 2: Convert to fraction form
    528,062.20/792,093.30 = 318,110.20/x
  3. Step 3: Cross multiply
    528,062.20x = 792,093.30 × 318,110.20
  4. Step 4: Simplify right side
    528,062.20x = 251,972,958,081.66
  5. Step 5: Solve for x
    x = 251,972,958,081.66/528,062.20
  6. Step 6: Final answer
    x = 477,165.30

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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.