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Finding the Fourth Proportional to 884,768.80, 1,326,116.40 and 662,893.60

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Solution

The fourth proportional to 884,768.80, 1,326,116.40 and 662,893.60 is: 993,563.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,768.80 : 1,326,116.40 = 662,893.60 : x
  2. Step 2: Convert to fraction form
    884,768.80/1,326,116.40 = 662,893.60/x
  3. Step 3: Cross multiply
    884,768.80x = 1,326,116.40 × 662,893.60
  4. Step 4: Simplify right side
    884,768.80x = 879,074,074,415.04
  5. Step 5: Solve for x
    x = 879,074,074,415.04/884,768.80
  6. Step 6: Final answer
    x = 993,563.60

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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.