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Finding the Fourth Proportional to 255,722.64, 353,048.44 and 227,349.80

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Solution

The fourth proportional to 255,722.64, 353,048.44 and 227,349.80 is: 313,877.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,722.64 : 353,048.44 = 227,349.80 : x
  2. Step 2: Convert to fraction form
    255,722.64/353,048.44 = 227,349.80/x
  3. Step 3: Cross multiply
    255,722.64x = 353,048.44 × 227,349.80
  4. Step 4: Simplify right side
    255,722.64x = 80,265,492,224.31
  5. Step 5: Solve for x
    x = 80,265,492,224.31/255,722.64
  6. Step 6: Final answer
    x = 313,877.15

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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.