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Finding the Fourth Proportional to 503,208.90, 754,924.23 and 218,944.08

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Solution

The fourth proportional to 503,208.90, 754,924.23 and 218,944.08 is: 328,464.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,208.90 : 754,924.23 = 218,944.08 : x
  2. Step 2: Convert to fraction form
    503,208.90/754,924.23 = 218,944.08/x
  3. Step 3: Cross multiply
    503,208.90x = 754,924.23 × 218,944.08
  4. Step 4: Simplify right side
    503,208.90x = 165,286,191,007.06
  5. Step 5: Solve for x
    x = 165,286,191,007.06/503,208.90
  6. Step 6: Final answer
    x = 328,464.36

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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.