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Finding the Fourth Proportional to 435,857.39, 601,494.31 and 239,621.46

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Solution

The fourth proportional to 435,857.39, 601,494.31 and 239,621.46 is: 330,683.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,857.39 : 601,494.31 = 239,621.46 : x
  2. Step 2: Convert to fraction form
    435,857.39/601,494.31 = 239,621.46/x
  3. Step 3: Cross multiply
    435,857.39x = 601,494.31 × 239,621.46
  4. Step 4: Simplify right side
    435,857.39x = 144,130,946,171.22
  5. Step 5: Solve for x
    x = 144,130,946,171.22/435,857.39
  6. Step 6: Final answer
    x = 330,683.73

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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.