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Finding the Fourth Proportional to 430,658.75, 594,303.27 and 239,672.09

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Solution

The fourth proportional to 430,658.75, 594,303.27 and 239,672.09 is: 330,744.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,658.75 : 594,303.27 = 239,672.09 : x
  2. Step 2: Convert to fraction form
    430,658.75/594,303.27 = 239,672.09/x
  3. Step 3: Cross multiply
    430,658.75x = 594,303.27 × 239,672.09
  4. Step 4: Simplify right side
    430,658.75x = 142,437,906,814.73
  5. Step 5: Solve for x
    x = 142,437,906,814.73/430,658.75
  6. Step 6: Final answer
    x = 330,744.25

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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.