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Finding the Fourth Proportional to 325,649.85, 449,411.14 and 180,455.24

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Solution

The fourth proportional to 325,649.85, 449,411.14 and 180,455.24 is: 249,036.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,649.85 : 449,411.14 = 180,455.24 : x
  2. Step 2: Convert to fraction form
    325,649.85/449,411.14 = 180,455.24/x
  3. Step 3: Cross multiply
    325,649.85x = 449,411.14 × 180,455.24
  4. Step 4: Simplify right side
    325,649.85x = 81,098,595,959.65
  5. Step 5: Solve for x
    x = 81,098,595,959.65/325,649.85
  6. Step 6: Final answer
    x = 249,036.18

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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.