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Finding the Fourth Proportional to 619,019.80, 928,612.32 and 244,955.32

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Solution

The fourth proportional to 619,019.80, 928,612.32 and 244,955.32 is: 367,465.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,019.80 : 928,612.32 = 244,955.32 : x
  2. Step 2: Convert to fraction form
    619,019.80/928,612.32 = 244,955.32/x
  3. Step 3: Cross multiply
    619,019.80x = 928,612.32 × 244,955.32
  4. Step 4: Simplify right side
    619,019.80x = 227,468,528,001.54
  5. Step 5: Solve for x
    x = 227,468,528,001.54/619,019.80
  6. Step 6: Final answer
    x = 367,465.67

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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.