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Finding the Fourth Proportional to 456,223.96, 684,336.30 and 123,799.96

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Solution

The fourth proportional to 456,223.96, 684,336.30 and 123,799.96 is: 185,700.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,223.96 : 684,336.30 = 123,799.96 : x
  2. Step 2: Convert to fraction form
    456,223.96/684,336.30 = 123,799.96/x
  3. Step 3: Cross multiply
    456,223.96x = 684,336.30 × 123,799.96
  4. Step 4: Simplify right side
    456,223.96x = 84,720,806,566.55
  5. Step 5: Solve for x
    x = 84,720,806,566.55/456,223.96
  6. Step 6: Final answer
    x = 185,700.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.