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Finding the Fourth Proportional to 1,973,495.89, 2,723,424.57 and 1,068,077.89

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Solution

The fourth proportional to 1,973,495.89, 2,723,424.57 and 1,068,077.89 is: 1,473,947.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973,495.89 : 2,723,424.57 = 1,068,077.89 : x
  2. Step 2: Convert to fraction form
    1,973,495.89/2,723,424.57 = 1,068,077.89/x
  3. Step 3: Cross multiply
    1,973,495.89x = 2,723,424.57 × 1,068,077.89
  4. Step 4: Simplify right side
    1,973,495.89x = 2,908,829,568,299.76
  5. Step 5: Solve for x
    x = 2,908,829,568,299.76/1,973,495.89
  6. Step 6: Final answer
    x = 1,473,947.62

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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.