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Finding the Fourth Proportional to 1,788,676.24, 2,468,405.04 and 972,897.76

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Solution

The fourth proportional to 1,788,676.24, 2,468,405.04 and 972,897.76 is: 1,342,616.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,676.24 : 2,468,405.04 = 972,897.76 : x
  2. Step 2: Convert to fraction form
    1,788,676.24/2,468,405.04 = 972,897.76/x
  3. Step 3: Cross multiply
    1,788,676.24x = 2,468,405.04 × 972,897.76
  4. Step 4: Simplify right side
    1,788,676.24x = 2,401,505,734,188.71
  5. Step 5: Solve for x
    x = 2,401,505,734,188.71/1,788,676.24
  6. Step 6: Final answer
    x = 1,342,616.22

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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.