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Finding the Fourth Proportional to 402,089.26, 554,896.11 and 232,323.34

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Solution

The fourth proportional to 402,089.26, 554,896.11 and 232,323.34 is: 320,613.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,089.26 : 554,896.11 = 232,323.34 : x
  2. Step 2: Convert to fraction form
    402,089.26/554,896.11 = 232,323.34/x
  3. Step 3: Cross multiply
    402,089.26x = 554,896.11 × 232,323.34
  4. Step 4: Simplify right side
    402,089.26x = 128,915,317,628.21
  5. Step 5: Solve for x
    x = 128,915,317,628.21/402,089.26
  6. Step 6: Final answer
    x = 320,613.68

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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.