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Finding the Fourth Proportional to 618,356.93, 925,468.65 and 352,045.94

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Solution

The fourth proportional to 618,356.93, 925,468.65 and 352,045.94 is: 526,892.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,356.93 : 925,468.65 = 352,045.94 : x
  2. Step 2: Convert to fraction form
    618,356.93/925,468.65 = 352,045.94/x
  3. Step 3: Cross multiply
    618,356.93x = 925,468.65 × 352,045.94
  4. Step 4: Simplify right side
    618,356.93x = 325,807,476,202.44
  5. Step 5: Solve for x
    x = 325,807,476,202.44/618,356.93
  6. Step 6: Final answer
    x = 526,892.26

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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.