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Finding the Fourth Proportional to 330,225.54, 455,712.93 and 179,322.54

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Solution

The fourth proportional to 330,225.54, 455,712.93 and 179,322.54 is: 247,466.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,225.54 : 455,712.93 = 179,322.54 : x
  2. Step 2: Convert to fraction form
    330,225.54/455,712.93 = 179,322.54/x
  3. Step 3: Cross multiply
    330,225.54x = 455,712.93 × 179,322.54
  4. Step 4: Simplify right side
    330,225.54x = 81,719,600,118.44
  5. Step 5: Solve for x
    x = 81,719,600,118.44/330,225.54
  6. Step 6: Final answer
    x = 247,466.02

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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.