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Finding the Fourth Proportional to 334,684.75, 461,818.47 and 196,869.93

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Solution

The fourth proportional to 334,684.75, 461,818.47 and 196,869.93 is: 271,653.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,684.75 : 461,818.47 = 196,869.93 : x
  2. Step 2: Convert to fraction form
    334,684.75/461,818.47 = 196,869.93/x
  3. Step 3: Cross multiply
    334,684.75x = 461,818.47 × 196,869.93
  4. Step 4: Simplify right side
    334,684.75x = 90,918,169,861.61
  5. Step 5: Solve for x
    x = 90,918,169,861.61/334,684.75
  6. Step 6: Final answer
    x = 271,653.16

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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.