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Finding the Fourth Proportional to 737,735.80, 1,106,603.70 and 485,793.40

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Solution

The fourth proportional to 737,735.80, 1,106,603.70 and 485,793.40 is: 728,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,735.80 : 1,106,603.70 = 485,793.40 : x
  2. Step 2: Convert to fraction form
    737,735.80/1,106,603.70 = 485,793.40/x
  3. Step 3: Cross multiply
    737,735.80x = 1,106,603.70 × 485,793.40
  4. Step 4: Simplify right side
    737,735.80x = 537,580,773,875.58
  5. Step 5: Solve for x
    x = 537,580,773,875.58/737,735.80
  6. Step 6: Final answer
    x = 728,690.10

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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.