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Finding the Fourth Proportional to 615,937.60, 923,993.88 and 189,508.75

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Solution

The fourth proportional to 615,937.60, 923,993.88 and 189,508.75 is: 284,290.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,937.60 : 923,993.88 = 189,508.75 : x
  2. Step 2: Convert to fraction form
    615,937.60/923,993.88 = 189,508.75/x
  3. Step 3: Cross multiply
    615,937.60x = 923,993.88 × 189,508.75
  4. Step 4: Simplify right side
    615,937.60x = 175,104,925,206.45
  5. Step 5: Solve for x
    x = 175,104,925,206.45/615,937.60
  6. Step 6: Final answer
    x = 284,290.04

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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.