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Finding the Fourth Proportional to 884,540.60, 1,326,810.90 and 816,111.80

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Solution

The fourth proportional to 884,540.60, 1,326,810.90 and 816,111.80 is: 1,224,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,540.60 : 1,326,810.90 = 816,111.80 : x
  2. Step 2: Convert to fraction form
    884,540.60/1,326,810.90 = 816,111.80/x
  3. Step 3: Cross multiply
    884,540.60x = 1,326,810.90 × 816,111.80
  4. Step 4: Simplify right side
    884,540.60x = 1,082,826,031,858.62
  5. Step 5: Solve for x
    x = 1,082,826,031,858.62/884,540.60
  6. Step 6: Final answer
    x = 1,224,167.70

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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.