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Finding the Fourth Proportional to 430,842.34, 594,550.85 and 239,855.73

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Solution

The fourth proportional to 430,842.34, 594,550.85 and 239,855.73 is: 330,994.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,842.34 : 594,550.85 = 239,855.73 : x
  2. Step 2: Convert to fraction form
    430,842.34/594,550.85 = 239,855.73/x
  3. Step 3: Cross multiply
    430,842.34x = 594,550.85 × 239,855.73
  4. Step 4: Simplify right side
    430,842.34x = 142,606,424,720.03
  5. Step 5: Solve for x
    x = 142,606,424,720.03/430,842.34
  6. Step 6: Final answer
    x = 330,994.45

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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.