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Finding the Fourth Proportional to 3,215,484.76, 4,819,558.11 and 1,295,166.88

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Solution

The fourth proportional to 3,215,484.76, 4,819,558.11 and 1,295,166.88 is: 1,941,272.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215,484.76 : 4,819,558.11 = 1,295,166.88 : x
  2. Step 2: Convert to fraction form
    3,215,484.76/4,819,558.11 = 1,295,166.88/x
  3. Step 3: Cross multiply
    3,215,484.76x = 4,819,558.11 × 1,295,166.88
  4. Step 4: Simplify right side
    3,215,484.76x = 6,242,132,040,307.40
  5. Step 5: Solve for x
    x = 6,242,132,040,307.40/3,215,484.76
  6. Step 6: Final answer
    x = 1,941,272.47

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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.