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Finding the Fourth Proportional to 330,287.07, 455,798.48 and 179,384.07

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Solution

The fourth proportional to 330,287.07, 455,798.48 and 179,384.07 is: 247,551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,287.07 : 455,798.48 = 179,384.07 : x
  2. Step 2: Convert to fraction form
    330,287.07/455,798.48 = 179,384.07/x
  3. Step 3: Cross multiply
    330,287.07x = 455,798.48 × 179,384.07
  4. Step 4: Simplify right side
    330,287.07x = 81,762,984,611.68
  5. Step 5: Solve for x
    x = 81,762,984,611.68/330,287.07
  6. Step 6: Final answer
    x = 247,551.28

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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.