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Finding the Fourth Proportional to 4,868,347.05, 7,303,211.78 and 1,502,203.05

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Solution

The fourth proportional to 4,868,347.05, 7,303,211.78 and 1,502,203.05 is: 2,253,517.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868,347.05 : 7,303,211.78 = 1,502,203.05 : x
  2. Step 2: Convert to fraction form
    4,868,347.05/7,303,211.78 = 1,502,203.05/x
  3. Step 3: Cross multiply
    4,868,347.05x = 7,303,211.78 × 1,502,203.05
  4. Step 4: Simplify right side
    4,868,347.05x = 10,970,907,003,200.91
  5. Step 5: Solve for x
    x = 10,970,907,003,200.91/4,868,347.05
  6. Step 6: Final answer
    x = 2,253,517.86

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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.