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Finding the Fourth Proportional to 352,576.00, 485,683.34 and 300,724.18

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Solution

The fourth proportional to 352,576.00, 485,683.34 and 300,724.18 is: 414,256.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,576.00 : 485,683.34 = 300,724.18 : x
  2. Step 2: Convert to fraction form
    352,576.00/485,683.34 = 300,724.18/x
  3. Step 3: Cross multiply
    352,576.00x = 485,683.34 × 300,724.18
  4. Step 4: Simplify right side
    352,576.00x = 146,056,724,392.36
  5. Step 5: Solve for x
    x = 146,056,724,392.36/352,576.00
  6. Step 6: Final answer
    x = 414,256.00

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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.