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Finding the Fourth Proportional to 291,602.70, 437,576.85 and 192,048.30

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Solution

The fourth proportional to 291,602.70, 437,576.85 and 192,048.30 is: 288,186.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,602.70 : 437,576.85 = 192,048.30 : x
  2. Step 2: Convert to fraction form
    291,602.70/437,576.85 = 192,048.30/x
  3. Step 3: Cross multiply
    291,602.70x = 437,576.85 × 192,048.30
  4. Step 4: Simplify right side
    291,602.70x = 84,035,890,161.86
  5. Step 5: Solve for x
    x = 84,035,890,161.86/291,602.70
  6. Step 6: Final answer
    x = 288,186.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.