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Finding the Fourth Proportional to 448,033.94, 672,050.91 and 260,914.22

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Solution

The fourth proportional to 448,033.94, 672,050.91 and 260,914.22 is: 391,371.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,033.94 : 672,050.91 = 260,914.22 : x
  2. Step 2: Convert to fraction form
    448,033.94/672,050.91 = 260,914.22/x
  3. Step 3: Cross multiply
    448,033.94x = 672,050.91 × 260,914.22
  4. Step 4: Simplify right side
    448,033.94x = 175,347,639,121.31
  5. Step 5: Solve for x
    x = 175,347,639,121.31/448,033.94
  6. Step 6: Final answer
    x = 391,371.33

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.