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Finding the Fourth Proportional to 288,610.10, 398,024.05 and 181,190.14

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Solution

The fourth proportional to 288,610.10, 398,024.05 and 181,190.14 is: 249,880.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,610.10 : 398,024.05 = 181,190.14 : x
  2. Step 2: Convert to fraction form
    288,610.10/398,024.05 = 181,190.14/x
  3. Step 3: Cross multiply
    288,610.10x = 398,024.05 × 181,190.14
  4. Step 4: Simplify right side
    288,610.10x = 72,118,033,342.87
  5. Step 5: Solve for x
    x = 72,118,033,342.87/288,610.10
  6. Step 6: Final answer
    x = 249,880.49

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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.