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Finding the Fourth Proportional to 440,902.49, 661,464.77 and 125,359.40

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Solution

The fourth proportional to 440,902.49, 661,464.77 and 125,359.40 is: 188,070.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,902.49 : 661,464.77 = 125,359.40 : x
  2. Step 2: Convert to fraction form
    440,902.49/661,464.77 = 125,359.40/x
  3. Step 3: Cross multiply
    440,902.49x = 661,464.77 × 125,359.40
  4. Step 4: Simplify right side
    440,902.49x = 82,920,827,715.20
  5. Step 5: Solve for x
    x = 82,920,827,715.20/440,902.49
  6. Step 6: Final answer
    x = 188,070.67

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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.