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Finding the Fourth Proportional to 330,672.30, 496,267.65 and 153,201.30

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Solution

The fourth proportional to 330,672.30, 496,267.65 and 153,201.30 is: 229,922.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,672.30 : 496,267.65 = 153,201.30 : x
  2. Step 2: Convert to fraction form
    330,672.30/496,267.65 = 153,201.30/x
  3. Step 3: Cross multiply
    330,672.30x = 496,267.65 × 153,201.30
  4. Step 4: Simplify right side
    330,672.30x = 76,028,849,127.95
  5. Step 5: Solve for x
    x = 76,028,849,127.95/330,672.30
  6. Step 6: Final answer
    x = 229,922.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.