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Finding the Fourth Proportional to 330,987.94, 456,762.09 and 180,087.46

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Solution

The fourth proportional to 330,987.94, 456,762.09 and 180,087.46 is: 248,520.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,987.94 : 456,762.09 = 180,087.46 : x
  2. Step 2: Convert to fraction form
    330,987.94/456,762.09 = 180,087.46/x
  3. Step 3: Cross multiply
    330,987.94x = 456,762.09 × 180,087.46
  4. Step 4: Simplify right side
    330,987.94x = 82,257,124,612.39
  5. Step 5: Solve for x
    x = 82,257,124,612.39/330,987.94
  6. Step 6: Final answer
    x = 248,520.01

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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.