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Finding the Fourth Proportional to 884,081.80, 1,326,813.90 and 410,825.80

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Solution

The fourth proportional to 884,081.80, 1,326,813.90 and 410,825.80 is: 616,559.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,081.80 : 1,326,813.90 = 410,825.80 : x
  2. Step 2: Convert to fraction form
    884,081.80/1,326,813.90 = 410,825.80/x
  3. Step 3: Cross multiply
    884,081.80x = 1,326,813.90 × 410,825.80
  4. Step 4: Simplify right side
    884,081.80x = 545,089,381,918.62
  5. Step 5: Solve for x
    x = 545,089,381,918.62/884,081.80
  6. Step 6: Final answer
    x = 616,559.90

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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.