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Finding the Fourth Proportional to 325,085.58, 448,378.47 and 234,739.80

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Solution

The fourth proportional to 325,085.58, 448,378.47 and 234,739.80 is: 323,767.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,085.58 : 448,378.47 = 234,739.80 : x
  2. Step 2: Convert to fraction form
    325,085.58/448,378.47 = 234,739.80/x
  3. Step 3: Cross multiply
    325,085.58x = 448,378.47 × 234,739.80
  4. Step 4: Simplify right side
    325,085.58x = 105,252,272,372.11
  5. Step 5: Solve for x
    x = 105,252,272,372.11/325,085.58
  6. Step 6: Final answer
    x = 323,767.89

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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.