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Finding the Fourth Proportional to 504,142.83, 695,684.66 and 300,208.73

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Solution

The fourth proportional to 504,142.83, 695,684.66 and 300,208.73 is: 414,268.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,142.83 : 695,684.66 = 300,208.73 : x
  2. Step 2: Convert to fraction form
    504,142.83/695,684.66 = 300,208.73/x
  3. Step 3: Cross multiply
    504,142.83x = 695,684.66 × 300,208.73
  4. Step 4: Simplify right side
    504,142.83x = 208,850,603,279.62
  5. Step 5: Solve for x
    x = 208,850,603,279.62/504,142.83
  6. Step 6: Final answer
    x = 414,268.72

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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.