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Finding the Fourth Proportional to 446,653.81, 616,132.78 and 274,452.17

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Solution

The fourth proportional to 446,653.81, 616,132.78 and 274,452.17 is: 378,590.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,653.81 : 616,132.78 = 274,452.17 : x
  2. Step 2: Convert to fraction form
    446,653.81/616,132.78 = 274,452.17/x
  3. Step 3: Cross multiply
    446,653.81x = 616,132.78 × 274,452.17
  4. Step 4: Simplify right side
    446,653.81x = 169,098,974,712.34
  5. Step 5: Solve for x
    x = 169,098,974,712.34/446,653.81
  6. Step 6: Final answer
    x = 378,590.69

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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.