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Finding the Fourth Proportional to 651,868.44, 899,620.02 and 365,388.60

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Solution

The fourth proportional to 651,868.44, 899,620.02 and 365,388.60 is: 504,259.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,868.44 : 899,620.02 = 365,388.60 : x
  2. Step 2: Convert to fraction form
    651,868.44/899,620.02 = 365,388.60/x
  3. Step 3: Cross multiply
    651,868.44x = 899,620.02 × 365,388.60
  4. Step 4: Simplify right side
    651,868.44x = 328,710,899,639.77
  5. Step 5: Solve for x
    x = 328,710,899,639.77/651,868.44
  6. Step 6: Final answer
    x = 504,259.57

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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.