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Finding the Fourth Proportional to 1,579,000.80, 2,365,390.80 and 1,467,026.40

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Solution

The fourth proportional to 1,579,000.80, 2,365,390.80 and 1,467,026.40 is: 2,197,649.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,000.80 : 2,365,390.80 = 1,467,026.40 : x
  2. Step 2: Convert to fraction form
    1,579,000.80/2,365,390.80 = 1,467,026.40/x
  3. Step 3: Cross multiply
    1,579,000.80x = 2,365,390.80 × 1,467,026.40
  4. Step 4: Simplify right side
    1,579,000.80x = 3,470,090,749,917.12
  5. Step 5: Solve for x
    x = 3,470,090,749,917.12/1,579,000.80
  6. Step 6: Final answer
    x = 2,197,649.77

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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.