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Finding the Fourth Proportional to 433,394.80, 598,070.36 and 239,802.88

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Solution

The fourth proportional to 433,394.80, 598,070.36 and 239,802.88 is: 330,919.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,394.80 : 598,070.36 = 239,802.88 : x
  2. Step 2: Convert to fraction form
    433,394.80/598,070.36 = 239,802.88/x
  3. Step 3: Cross multiply
    433,394.80x = 598,070.36 × 239,802.88
  4. Step 4: Simplify right side
    433,394.80x = 143,418,994,770.64
  5. Step 5: Solve for x
    x = 143,418,994,770.64/433,394.80
  6. Step 6: Final answer
    x = 330,919.97

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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.