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Finding the Fourth Proportional to 330,907.52, 456,655.92 and 180,004.88

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Solution

The fourth proportional to 330,907.52, 456,655.92 and 180,004.88 is: 248,408.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,907.52 : 456,655.92 = 180,004.88 : x
  2. Step 2: Convert to fraction form
    330,907.52/456,655.92 = 180,004.88/x
  3. Step 3: Cross multiply
    330,907.52x = 456,655.92 × 180,004.88
  4. Step 4: Simplify right side
    330,907.52x = 82,200,294,080.89
  5. Step 5: Solve for x
    x = 82,200,294,080.89/330,907.52
  6. Step 6: Final answer
    x = 248,408.66

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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.