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Finding the Fourth Proportional to 611,584.60, 916,793.70 and 476,573.80

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Solution

The fourth proportional to 611,584.60, 916,793.70 and 476,573.80 is: 714,406.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,584.60 : 916,793.70 = 476,573.80 : x
  2. Step 2: Convert to fraction form
    611,584.60/916,793.70 = 476,573.80/x
  3. Step 3: Cross multiply
    611,584.60x = 916,793.70 × 476,573.80
  4. Step 4: Simplify right side
    611,584.60x = 436,919,857,425.06
  5. Step 5: Solve for x
    x = 436,919,857,425.06/611,584.60
  6. Step 6: Final answer
    x = 714,406.24

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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.