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Finding the Fourth Proportional to 323,386.83, 446,287.59 and 180,146.70

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Solution

The fourth proportional to 323,386.83, 446,287.59 and 180,146.70 is: 248,610.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,386.83 : 446,287.59 = 180,146.70 : x
  2. Step 2: Convert to fraction form
    323,386.83/446,287.59 = 180,146.70/x
  3. Step 3: Cross multiply
    323,386.83x = 446,287.59 × 180,146.70
  4. Step 4: Simplify right side
    323,386.83x = 80,397,236,589.45
  5. Step 5: Solve for x
    x = 80,397,236,589.45/323,386.83
  6. Step 6: Final answer
    x = 248,610.11

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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.