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Finding the Fourth Proportional to 1,664,835.93, 2,497,255.11 and 402,664.77

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Solution

The fourth proportional to 1,664,835.93, 2,497,255.11 and 402,664.77 is: 603,997.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,835.93 : 2,497,255.11 = 402,664.77 : x
  2. Step 2: Convert to fraction form
    1,664,835.93/2,497,255.11 = 402,664.77/x
  3. Step 3: Cross multiply
    1,664,835.93x = 2,497,255.11 × 402,664.77
  4. Step 4: Simplify right side
    1,664,835.93x = 1,005,556,654,499.47
  5. Step 5: Solve for x
    x = 1,005,556,654,499.47/1,664,835.93
  6. Step 6: Final answer
    x = 603,997.45

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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.