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Finding the Fourth Proportional to 608,405.41, 839,506.21 and 350,232.48

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Solution

The fourth proportional to 608,405.41, 839,506.21 and 350,232.48 is: 483,267.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,405.41 : 839,506.21 = 350,232.48 : x
  2. Step 2: Convert to fraction form
    608,405.41/839,506.21 = 350,232.48/x
  3. Step 3: Cross multiply
    608,405.41x = 839,506.21 × 350,232.48
  4. Step 4: Simplify right side
    608,405.41x = 294,022,341,903.70
  5. Step 5: Solve for x
    x = 294,022,341,903.70/608,405.41
  6. Step 6: Final answer
    x = 483,267.14

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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.