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Finding the Fourth Proportional to 893,433, 1,232,937.54 and 491,025

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Solution

The fourth proportional to 893,433, 1,232,937.54 and 491,025 is: 677,614.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,433 : 1,232,937.54 = 491,025 : x
  2. Step 2: Convert to fraction form
    893,433/1,232,937.54 = 491,025/x
  3. Step 3: Cross multiply
    893,433x = 1,232,937.54 × 491,025
  4. Step 4: Simplify right side
    893,433x = 605,403,155,578.50
  5. Step 5: Solve for x
    x = 605,403,155,578.50/893,433
  6. Step 6: Final answer
    x = 677,614.50

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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.