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Finding the Fourth Proportional to 334,590.06, 461,703.60 and 198,600.78

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Solution

The fourth proportional to 334,590.06, 461,703.60 and 198,600.78 is: 274,050.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,590.06 : 461,703.60 = 198,600.78 : x
  2. Step 2: Convert to fraction form
    334,590.06/461,703.60 = 198,600.78/x
  3. Step 3: Cross multiply
    334,590.06x = 461,703.60 × 198,600.78
  4. Step 4: Simplify right side
    334,590.06x = 91,694,695,088.81
  5. Step 5: Solve for x
    x = 91,694,695,088.81/334,590.06
  6. Step 6: Final answer
    x = 274,050.86

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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.