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Finding the Fourth Proportional to 4,611,155.64, 6,913,169.73 and 1,732,461.54

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Solution

The fourth proportional to 4,611,155.64, 6,913,169.73 and 1,732,461.54 is: 2,597,353.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,611,155.64 : 6,913,169.73 = 1,732,461.54 : x
  2. Step 2: Convert to fraction form
    4,611,155.64/6,913,169.73 = 1,732,461.54/x
  3. Step 3: Cross multiply
    4,611,155.64x = 6,913,169.73 × 1,732,461.54
  4. Step 4: Simplify right side
    4,611,155.64x = 11,976,800,676,717.19
  5. Step 5: Solve for x
    x = 11,976,800,676,717.19/4,611,155.64
  6. Step 6: Final answer
    x = 2,597,353.38

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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.