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Finding the Fourth Proportional to 352,330.48, 486,012.72 and 224,862.40

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Solution

The fourth proportional to 352,330.48, 486,012.72 and 224,862.40 is: 310,180.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,330.48 : 486,012.72 = 224,862.40 : x
  2. Step 2: Convert to fraction form
    352,330.48/486,012.72 = 224,862.40/x
  3. Step 3: Cross multiply
    352,330.48x = 486,012.72 × 224,862.40
  4. Step 4: Simplify right side
    352,330.48x = 109,285,986,649.73
  5. Step 5: Solve for x
    x = 109,285,986,649.73/352,330.48
  6. Step 6: Final answer
    x = 310,180.34

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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.