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Finding the Fourth Proportional to 659,597.82, 910,243.40 and 357,791.82

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Solution

The fourth proportional to 659,597.82, 910,243.40 and 357,791.82 is: 493,751.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,597.82 : 910,243.40 = 357,791.82 : x
  2. Step 2: Convert to fraction form
    659,597.82/910,243.40 = 357,791.82/x
  3. Step 3: Cross multiply
    659,597.82x = 910,243.40 × 357,791.82
  4. Step 4: Simplify right side
    659,597.82x = 325,677,642,728.99
  5. Step 5: Solve for x
    x = 325,677,642,728.99/659,597.82
  6. Step 6: Final answer
    x = 493,751.85

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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.