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Finding the Fourth Proportional to 446,654.81, 616,134.16 and 274,453.17

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Solution

The fourth proportional to 446,654.81, 616,134.16 and 274,453.17 is: 378,592.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,654.81 : 616,134.16 = 274,453.17 : x
  2. Step 2: Convert to fraction form
    446,654.81/616,134.16 = 274,453.17/x
  3. Step 3: Cross multiply
    446,654.81x = 616,134.16 × 274,453.17
  4. Step 4: Simplify right side
    446,654.81x = 169,099,973,357.29
  5. Step 5: Solve for x
    x = 169,099,973,357.29/446,654.81
  6. Step 6: Final answer
    x = 378,592.08

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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.