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Finding the Fourth Proportional to 364,744.67, 503,345.70 and 211,820.46

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Solution

The fourth proportional to 364,744.67, 503,345.70 and 211,820.46 is: 292,311.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,744.67 : 503,345.70 = 211,820.46 : x
  2. Step 2: Convert to fraction form
    364,744.67/503,345.70 = 211,820.46/x
  3. Step 3: Cross multiply
    364,744.67x = 503,345.70 × 211,820.46
  4. Step 4: Simplify right side
    364,744.67x = 106,618,917,713.02
  5. Step 5: Solve for x
    x = 106,618,917,713.02/364,744.67
  6. Step 6: Final answer
    x = 292,311.11

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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.