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Finding the Fourth Proportional to 364,873.12, 503,247.82 and 313,971.15

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Solution

The fourth proportional to 364,873.12, 503,247.82 and 313,971.15 is: 433,041.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,873.12 : 503,247.82 = 313,971.15 : x
  2. Step 2: Convert to fraction form
    364,873.12/503,247.82 = 313,971.15/x
  3. Step 3: Cross multiply
    364,873.12x = 503,247.82 × 313,971.15
  4. Step 4: Simplify right side
    364,873.12x = 158,005,298,471.34
  5. Step 5: Solve for x
    x = 158,005,298,471.34/364,873.12
  6. Step 6: Final answer
    x = 433,041.76

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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.