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Finding the Fourth Proportional to 347,533.08, 479,453.10 and 211,457.94

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Solution

The fourth proportional to 347,533.08, 479,453.10 and 211,457.94 is: 291,725.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,533.08 : 479,453.10 = 211,457.94 : x
  2. Step 2: Convert to fraction form
    347,533.08/479,453.10 = 211,457.94/x
  3. Step 3: Cross multiply
    347,533.08x = 479,453.10 × 211,457.94
  4. Step 4: Simplify right side
    347,533.08x = 101,384,164,852.61
  5. Step 5: Solve for x
    x = 101,384,164,852.61/347,533.08
  6. Step 6: Final answer
    x = 291,725.22

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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.