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Finding the Fourth Proportional to 6,235,540.80, 9,353,602.80 and 1,976,042.40

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Solution

The fourth proportional to 6,235,540.80, 9,353,602.80 and 1,976,042.40 is: 2,964,156.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,235,540.80 : 9,353,602.80 = 1,976,042.40 : x
  2. Step 2: Convert to fraction form
    6,235,540.80/9,353,602.80 = 1,976,042.40/x
  3. Step 3: Cross multiply
    6,235,540.80x = 9,353,602.80 × 1,976,042.40
  4. Step 4: Simplify right side
    6,235,540.80x = 18,483,115,725,558.72
  5. Step 5: Solve for x
    x = 18,483,115,725,558.72/6,235,540.80
  6. Step 6: Final answer
    x = 2,964,156.01

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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.