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Finding the Fourth Proportional to 307,553.70, 461,403.45 and 157,817.10

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Solution

The fourth proportional to 307,553.70, 461,403.45 and 157,817.10 is: 236,763.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,553.70 : 461,403.45 = 157,817.10 : x
  2. Step 2: Convert to fraction form
    307,553.70/461,403.45 = 157,817.10/x
  3. Step 3: Cross multiply
    307,553.70x = 461,403.45 × 157,817.10
  4. Step 4: Simplify right side
    307,553.70x = 72,817,354,409.00
  5. Step 5: Solve for x
    x = 72,817,354,409.00/307,553.70
  6. Step 6: Final answer
    x = 236,763.06

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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.