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Finding the Fourth Proportional to 325,078.79, 448,412.57 and 214,698.11

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Solution

The fourth proportional to 325,078.79, 448,412.57 and 214,698.11 is: 296,153.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,078.79 : 448,412.57 = 214,698.11 : x
  2. Step 2: Convert to fraction form
    325,078.79/448,412.57 = 214,698.11/x
  3. Step 3: Cross multiply
    325,078.79x = 448,412.57 × 214,698.11
  4. Step 4: Simplify right side
    325,078.79x = 96,273,329,084.72
  5. Step 5: Solve for x
    x = 96,273,329,084.72/325,078.79
  6. Step 6: Final answer
    x = 296,153.83

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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.