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Finding the Fourth Proportional to 430,697.54, 594,352.50 and 239,706.83

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Solution

The fourth proportional to 430,697.54, 594,352.50 and 239,706.83 is: 330,789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,697.54 : 594,352.50 = 239,706.83 : x
  2. Step 2: Convert to fraction form
    430,697.54/594,352.50 = 239,706.83/x
  3. Step 3: Cross multiply
    430,697.54x = 594,352.50 × 239,706.83
  4. Step 4: Simplify right side
    430,697.54x = 142,470,353,677.58
  5. Step 5: Solve for x
    x = 142,470,353,677.58/430,697.54
  6. Step 6: Final answer
    x = 330,789.80

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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.