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Finding the Fourth Proportional to 430,761.60, 594,440.91 and 239,770.89

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Solution

The fourth proportional to 430,761.60, 594,440.91 and 239,770.89 is: 330,878.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,761.60 : 594,440.91 = 239,770.89 : x
  2. Step 2: Convert to fraction form
    430,761.60/594,440.91 = 239,770.89/x
  3. Step 3: Cross multiply
    430,761.60x = 594,440.91 × 239,770.89
  4. Step 4: Simplify right side
    430,761.60x = 142,529,626,043.11
  5. Step 5: Solve for x
    x = 142,529,626,043.11/430,761.60
  6. Step 6: Final answer
    x = 330,878.21

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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.