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Finding the Fourth Proportional to 801,503.93, 1,201,805.53 and 549,069.05

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Solution

The fourth proportional to 801,503.93, 1,201,805.53 and 549,069.05 is: 823,295.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,503.93 : 1,201,805.53 = 549,069.05 : x
  2. Step 2: Convert to fraction form
    801,503.93/1,201,805.53 = 549,069.05/x
  3. Step 3: Cross multiply
    801,503.93x = 1,201,805.53 × 549,069.05
  4. Step 4: Simplify right side
    801,503.93x = 659,874,220,641.85
  5. Step 5: Solve for x
    x = 659,874,220,641.85/801,503.93
  6. Step 6: Final answer
    x = 823,295.05

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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.