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Finding the Fourth Proportional to 339,534.70, 468,236.70 and 223,042.50

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Solution

The fourth proportional to 339,534.70, 468,236.70 and 223,042.50 is: 307,587.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,534.70 : 468,236.70 = 223,042.50 : x
  2. Step 2: Convert to fraction form
    339,534.70/468,236.70 = 223,042.50/x
  3. Step 3: Cross multiply
    339,534.70x = 468,236.70 × 223,042.50
  4. Step 4: Simplify right side
    339,534.70x = 104,436,684,159.75
  5. Step 5: Solve for x
    x = 104,436,684,159.75/339,534.70
  6. Step 6: Final answer
    x = 307,587.66

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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.