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Finding the Fourth Proportional to 430,672.87, 594,328.57 and 239,731.37

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Solution

The fourth proportional to 430,672.87, 594,328.57 and 239,731.37 is: 330,829.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,672.87 : 594,328.57 = 239,731.37 : x
  2. Step 2: Convert to fraction form
    430,672.87/594,328.57 = 239,731.37/x
  3. Step 3: Cross multiply
    430,672.87x = 594,328.57 × 239,731.37
  4. Step 4: Simplify right side
    430,672.87x = 142,479,201,117.58
  5. Step 5: Solve for x
    x = 142,479,201,117.58/430,672.87
  6. Step 6: Final answer
    x = 330,829.29

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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.