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Finding the Fourth Proportional to 446,369.70, 616,097.31 and 255,493.74

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Solution

The fourth proportional to 446,369.70, 616,097.31 and 255,493.74 is: 352,642.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,369.70 : 616,097.31 = 255,493.74 : x
  2. Step 2: Convert to fraction form
    446,369.70/616,097.31 = 255,493.74/x
  3. Step 3: Cross multiply
    446,369.70x = 616,097.31 × 255,493.74
  4. Step 4: Simplify right side
    446,369.70x = 157,409,005,935.84
  5. Step 5: Solve for x
    x = 157,409,005,935.84/446,369.70
  6. Step 6: Final answer
    x = 352,642.68

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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.