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Finding the Fourth Proportional to 430,493.36, 594,080.74 and 239,506.72

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Solution

The fourth proportional to 430,493.36, 594,080.74 and 239,506.72 is: 330,519.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,493.36 : 594,080.74 = 239,506.72 : x
  2. Step 2: Convert to fraction form
    430,493.36/594,080.74 = 239,506.72/x
  3. Step 3: Cross multiply
    430,493.36x = 594,080.74 × 239,506.72
  4. Step 4: Simplify right side
    430,493.36x = 142,286,329,452.57
  5. Step 5: Solve for x
    x = 142,286,329,452.57/430,493.36
  6. Step 6: Final answer
    x = 330,519.22

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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.