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Finding the Fourth Proportional to 4,798,916.98, 7,200,193.50 and 2,881,167.32

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Solution

The fourth proportional to 4,798,916.98, 7,200,193.50 and 2,881,167.32 is: 4,322,842.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,798,916.98 : 7,200,193.50 = 2,881,167.32 : x
  2. Step 2: Convert to fraction form
    4,798,916.98/7,200,193.50 = 2,881,167.32/x
  3. Step 3: Cross multiply
    4,798,916.98x = 7,200,193.50 × 2,881,167.32
  4. Step 4: Simplify right side
    4,798,916.98x = 20,744,962,209,876.42
  5. Step 5: Solve for x
    x = 20,744,962,209,876.42/4,798,916.98
  6. Step 6: Final answer
    x = 4,322,842.49

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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.