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Finding the Fourth Proportional to 348,663.96, 481,060.62 and 212,720.04

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Solution

The fourth proportional to 348,663.96, 481,060.62 and 212,720.04 is: 293,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,663.96 : 481,060.62 = 212,720.04 : x
  2. Step 2: Convert to fraction form
    348,663.96/481,060.62 = 212,720.04/x
  3. Step 3: Cross multiply
    348,663.96x = 481,060.62 × 212,720.04
  4. Step 4: Simplify right side
    348,663.96x = 102,331,234,328.83
  5. Step 5: Solve for x
    x = 102,331,234,328.83/348,663.96
  6. Step 6: Final answer
    x = 293,495.30

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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.