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Finding the Fourth Proportional to 735,808.20, 1,101,087.90 and 510,109.80

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Solution

The fourth proportional to 735,808.20, 1,101,087.90 and 510,109.80 is: 763,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,808.20 : 1,101,087.90 = 510,109.80 : x
  2. Step 2: Convert to fraction form
    735,808.20/1,101,087.90 = 510,109.80/x
  3. Step 3: Cross multiply
    735,808.20x = 1,101,087.90 × 510,109.80
  4. Step 4: Simplify right side
    735,808.20x = 561,675,728,451.42
  5. Step 5: Solve for x
    x = 561,675,728,451.42/735,808.20
  6. Step 6: Final answer
    x = 763,345.30

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1.5x scale

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.