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Finding the Fourth Proportional to 3,312,237.28, 4,968,355.52 and 1,068,375.28

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Solution

The fourth proportional to 3,312,237.28, 4,968,355.52 and 1,068,375.28 is: 1,602,562.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312,237.28 : 4,968,355.52 = 1,068,375.28 : x
  2. Step 2: Convert to fraction form
    3,312,237.28/4,968,355.52 = 1,068,375.28/x
  3. Step 3: Cross multiply
    3,312,237.28x = 4,968,355.52 × 1,068,375.28
  4. Step 4: Simplify right side
    3,312,237.28x = 5,308,068,219,819.55
  5. Step 5: Solve for x
    x = 5,308,068,219,819.55/3,312,237.28
  6. Step 6: Final answer
    x = 1,602,562.79

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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.