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Finding the Fourth Proportional to 348,416.12, 480,879.90 and 227,347.22

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Solution

The fourth proportional to 348,416.12, 480,879.90 and 227,347.22 is: 313,782.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,416.12 : 480,879.90 = 227,347.22 : x
  2. Step 2: Convert to fraction form
    348,416.12/480,879.90 = 227,347.22/x
  3. Step 3: Cross multiply
    348,416.12x = 480,879.90 × 227,347.22
  4. Step 4: Simplify right side
    348,416.12x = 109,326,707,282.14
  5. Step 5: Solve for x
    x = 109,326,707,282.14/348,416.12
  6. Step 6: Final answer
    x = 313,782.00

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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.