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Finding the Fourth Proportional to 330,655.50, 456,303.51 and 179,751.42

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Solution

The fourth proportional to 330,655.50, 456,303.51 and 179,751.42 is: 248,056.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,655.50 : 456,303.51 = 179,751.42 : x
  2. Step 2: Convert to fraction form
    330,655.50/456,303.51 = 179,751.42/x
  3. Step 3: Cross multiply
    330,655.50x = 456,303.51 × 179,751.42
  4. Step 4: Simplify right side
    330,655.50x = 82,021,203,873.48
  5. Step 5: Solve for x
    x = 82,021,203,873.48/330,655.50
  6. Step 6: Final answer
    x = 248,056.37

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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.