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Finding the Fourth Proportional to 499,442.16, 748,813.26 and 183,858.12

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Solution

The fourth proportional to 499,442.16, 748,813.26 and 183,858.12 is: 275,658.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,442.16 : 748,813.26 = 183,858.12 : x
  2. Step 2: Convert to fraction form
    499,442.16/748,813.26 = 183,858.12/x
  3. Step 3: Cross multiply
    499,442.16x = 748,813.26 × 183,858.12
  4. Step 4: Simplify right side
    499,442.16x = 137,675,398,214.67
  5. Step 5: Solve for x
    x = 137,675,398,214.67/499,442.16
  6. Step 6: Final answer
    x = 275,658.34

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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.