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Finding the Fourth Proportional to 1,764,573.85, 2,645,699.22 and 1,163,702.89

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Solution

The fourth proportional to 1,764,573.85, 2,645,699.22 and 1,163,702.89 is: 1,744,788.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764,573.85 : 2,645,699.22 = 1,163,702.89 : x
  2. Step 2: Convert to fraction form
    1,764,573.85/2,645,699.22 = 1,163,702.89/x
  3. Step 3: Cross multiply
    1,764,573.85x = 2,645,699.22 × 1,163,702.89
  4. Step 4: Simplify right side
    1,764,573.85x = 3,078,807,828,384.75
  5. Step 5: Solve for x
    x = 3,078,807,828,384.75/1,764,573.85
  6. Step 6: Final answer
    x = 1,744,788.31

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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.