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Finding the Fourth Proportional to 1,201,953, 1,802,649.62 and 562,697.76

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Solution

The fourth proportional to 1,201,953, 1,802,649.62 and 562,697.76 is: 843,915.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,953 : 1,802,649.62 = 562,697.76 : x
  2. Step 2: Convert to fraction form
    1,201,953/1,802,649.62 = 562,697.76/x
  3. Step 3: Cross multiply
    1,201,953x = 1,802,649.62 × 562,697.76
  4. Step 4: Simplify right side
    1,201,953x = 1,014,346,903,238.85
  5. Step 5: Solve for x
    x = 1,014,346,903,238.85/1,201,953
  6. Step 6: Final answer
    x = 843,915.61

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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.