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Finding the Fourth Proportional to 615,372.16, 923,214.12 and 188,929.76

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Solution

The fourth proportional to 615,372.16, 923,214.12 and 188,929.76 is: 283,442.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,372.16 : 923,214.12 = 188,929.76 : x
  2. Step 2: Convert to fraction form
    615,372.16/923,214.12 = 188,929.76/x
  3. Step 3: Cross multiply
    615,372.16x = 923,214.12 × 188,929.76
  4. Step 4: Simplify right side
    615,372.16x = 174,422,622,120.21
  5. Step 5: Solve for x
    x = 174,422,622,120.21/615,372.16
  6. Step 6: Final answer
    x = 283,442.50

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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.