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Finding the Fourth Proportional to 504,253.05, 695,893.87 and 283,559.79

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Solution

The fourth proportional to 504,253.05, 695,893.87 and 283,559.79 is: 391,326.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,253.05 : 695,893.87 = 283,559.79 : x
  2. Step 2: Convert to fraction form
    504,253.05/695,893.87 = 283,559.79/x
  3. Step 3: Cross multiply
    504,253.05x = 695,893.87 × 283,559.79
  4. Step 4: Simplify right side
    504,253.05x = 197,327,521,443.85
  5. Step 5: Solve for x
    x = 197,327,521,443.85/504,253.05
  6. Step 6: Final answer
    x = 391,326.38

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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.