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Finding the Fourth Proportional to 363,575.83, 501,728.65 and 212,698.39

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Solution

The fourth proportional to 363,575.83, 501,728.65 and 212,698.39 is: 293,520.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,575.83 : 501,728.65 = 212,698.39 : x
  2. Step 2: Convert to fraction form
    363,575.83/501,728.65 = 212,698.39/x
  3. Step 3: Cross multiply
    363,575.83x = 501,728.65 × 212,698.39
  4. Step 4: Simplify right side
    363,575.83x = 106,716,876,071.87
  5. Step 5: Solve for x
    x = 106,716,876,071.87/363,575.83
  6. Step 6: Final answer
    x = 293,520.27

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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.