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Finding the Fourth Proportional to 3,503,318.18, 4,834,576.95 and 1,893,686.18

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Solution

The fourth proportional to 3,503,318.18, 4,834,576.95 and 1,893,686.18 is: 2,613,285.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503,318.18 : 4,834,576.95 = 1,893,686.18 : x
  2. Step 2: Convert to fraction form
    3,503,318.18/4,834,576.95 = 1,893,686.18/x
  3. Step 3: Cross multiply
    3,503,318.18x = 4,834,576.95 × 1,893,686.18
  4. Step 4: Simplify right side
    3,503,318.18x = 9,155,171,556,361.55
  5. Step 5: Solve for x
    x = 9,155,171,556,361.55/3,503,318.18
  6. Step 6: Final answer
    x = 2,613,285.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.