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Finding the Fourth Proportional to 571,103.98, 788,123.24 and 341,670.97

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Solution

The fourth proportional to 571,103.98, 788,123.24 and 341,670.97 is: 471,505.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,103.98 : 788,123.24 = 341,670.97 : x
  2. Step 2: Convert to fraction form
    571,103.98/788,123.24 = 341,670.97/x
  3. Step 3: Cross multiply
    571,103.98x = 788,123.24 × 341,670.97
  4. Step 4: Simplify right side
    571,103.98x = 269,278,831,890.34
  5. Step 5: Solve for x
    x = 269,278,831,890.34/571,103.98
  6. Step 6: Final answer
    x = 471,505.79

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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.