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Finding the Fourth Proportional to 433,289.92, 598,022.74 and 290,299.26

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Solution

The fourth proportional to 433,289.92, 598,022.74 and 290,299.26 is: 400,668.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,289.92 : 598,022.74 = 290,299.26 : x
  2. Step 2: Convert to fraction form
    433,289.92/598,022.74 = 290,299.26/x
  3. Step 3: Cross multiply
    433,289.92x = 598,022.74 × 290,299.26
  4. Step 4: Simplify right side
    433,289.92x = 173,605,558,885.17
  5. Step 5: Solve for x
    x = 173,605,558,885.17/433,289.92
  6. Step 6: Final answer
    x = 400,668.35

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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.