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Finding the Fourth Proportional to 264,799.80, 365,072.58 and 219,310.20

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Solution

The fourth proportional to 264,799.80, 365,072.58 and 219,310.20 is: 302,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,799.80 : 365,072.58 = 219,310.20 : x
  2. Step 2: Convert to fraction form
    264,799.80/365,072.58 = 219,310.20/x
  3. Step 3: Cross multiply
    264,799.80x = 365,072.58 × 219,310.20
  4. Step 4: Simplify right side
    264,799.80x = 80,064,140,534.32
  5. Step 5: Solve for x
    x = 80,064,140,534.32/264,799.80
  6. Step 6: Final answer
    x = 302,357.25

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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.