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Finding the Fourth Proportional to 922,825.63, 1,384,230.03 and 291,739.60

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Solution

The fourth proportional to 922,825.63, 1,384,230.03 and 291,739.60 is: 437,606.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,825.63 : 1,384,230.03 = 291,739.60 : x
  2. Step 2: Convert to fraction form
    922,825.63/1,384,230.03 = 291,739.60/x
  3. Step 3: Cross multiply
    922,825.63x = 1,384,230.03 × 291,739.60
  4. Step 4: Simplify right side
    922,825.63x = 403,834,715,260.19
  5. Step 5: Solve for x
    x = 403,834,715,260.19/922,825.63
  6. Step 6: Final answer
    x = 437,606.74

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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.