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Finding the Fourth Proportional to 615,371.16, 923,212.62 and 188,928.76

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Solution

The fourth proportional to 615,371.16, 923,212.62 and 188,928.76 is: 283,441.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,371.16 : 923,212.62 = 188,928.76 : x
  2. Step 2: Convert to fraction form
    615,371.16/923,212.62 = 188,928.76/x
  3. Step 3: Cross multiply
    615,371.16x = 923,212.62 × 188,928.76
  4. Step 4: Simplify right side
    615,371.16x = 174,421,415,512.95
  5. Step 5: Solve for x
    x = 174,421,415,512.95/615,371.16
  6. Step 6: Final answer
    x = 283,441.00

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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.