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Finding the Fourth Proportional to 631,705.84, 947,454.91 and 226,814.21

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Solution

The fourth proportional to 631,705.84, 947,454.91 and 226,814.21 is: 340,184.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,705.84 : 947,454.91 = 226,814.21 : x
  2. Step 2: Convert to fraction form
    631,705.84/947,454.91 = 226,814.21/x
  3. Step 3: Cross multiply
    631,705.84x = 947,454.91 × 226,814.21
  4. Step 4: Simplify right side
    631,705.84x = 214,896,235,170.92
  5. Step 5: Solve for x
    x = 214,896,235,170.92/631,705.84
  6. Step 6: Final answer
    x = 340,184.03

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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.