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Finding the Fourth Proportional to 293,208.60, 439,812.90 and 223,224.60

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Solution

The fourth proportional to 293,208.60, 439,812.90 and 223,224.60 is: 334,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,208.60 : 439,812.90 = 223,224.60 : x
  2. Step 2: Convert to fraction form
    293,208.60/439,812.90 = 223,224.60/x
  3. Step 3: Cross multiply
    293,208.60x = 439,812.90 × 223,224.60
  4. Step 4: Simplify right side
    293,208.60x = 98,177,058,677.34
  5. Step 5: Solve for x
    x = 98,177,058,677.34/293,208.60
  6. Step 6: Final answer
    x = 334,836.90

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Similar ratio
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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.