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Finding the Fourth Proportional to 732,647.80, 1,099,230.90 and 706,727.80

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Solution

The fourth proportional to 732,647.80, 1,099,230.90 and 706,727.80 is: 1,060,341.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,647.80 : 1,099,230.90 = 706,727.80 : x
  2. Step 2: Convert to fraction form
    732,647.80/1,099,230.90 = 706,727.80/x
  3. Step 3: Cross multiply
    732,647.80x = 1,099,230.90 × 706,727.80
  4. Step 4: Simplify right side
    732,647.80x = 776,857,035,649.02
  5. Step 5: Solve for x
    x = 776,857,035,649.02/732,647.80
  6. Step 6: Final answer
    x = 1,060,341.73

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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.