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Finding the Fourth Proportional to 339,569.76, 468,284.79 and 223,077.48

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Solution

The fourth proportional to 339,569.76, 468,284.79 and 223,077.48 is: 307,635.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,569.76 : 468,284.79 = 223,077.48 : x
  2. Step 2: Convert to fraction form
    339,569.76/468,284.79 = 223,077.48/x
  3. Step 3: Cross multiply
    339,569.76x = 468,284.79 × 223,077.48
  4. Step 4: Simplify right side
    339,569.76x = 104,463,790,875.53
  5. Step 5: Solve for x
    x = 104,463,790,875.53/339,569.76
  6. Step 6: Final answer
    x = 307,635.73

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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.