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Finding the Fourth Proportional to 333,640.22, 460,423.74 and 180,679.61

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Solution

The fourth proportional to 333,640.22, 460,423.74 and 180,679.61 is: 249,337.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,640.22 : 460,423.74 = 180,679.61 : x
  2. Step 2: Convert to fraction form
    333,640.22/460,423.74 = 180,679.61/x
  3. Step 3: Cross multiply
    333,640.22x = 460,423.74 × 180,679.61
  4. Step 4: Simplify right side
    333,640.22x = 83,189,181,777.94
  5. Step 5: Solve for x
    x = 83,189,181,777.94/333,640.22
  6. Step 6: Final answer
    x = 249,337.99

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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.