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Finding the Fourth Proportional to 306,173.34, 459,285.93 and 84,557.34

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Solution

The fourth proportional to 306,173.34, 459,285.93 and 84,557.34 is: 126,843.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,173.34 : 459,285.93 = 84,557.34 : x
  2. Step 2: Convert to fraction form
    306,173.34/459,285.93 = 84,557.34/x
  3. Step 3: Cross multiply
    306,173.34x = 459,285.93 × 84,557.34
  4. Step 4: Simplify right side
    306,173.34x = 38,835,996,540.23
  5. Step 5: Solve for x
    x = 38,835,996,540.23/306,173.34
  6. Step 6: Final answer
    x = 126,843.17

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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.