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Finding the Fourth Proportional to 846,503.36, 1,167,992.16 and 488,600

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Solution

The fourth proportional to 846,503.36, 1,167,992.16 and 488,600 is: 674,162.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,503.36 : 1,167,992.16 = 488,600 : x
  2. Step 2: Convert to fraction form
    846,503.36/1,167,992.16 = 488,600/x
  3. Step 3: Cross multiply
    846,503.36x = 1,167,992.16 × 488,600
  4. Step 4: Simplify right side
    846,503.36x = 570,680,969,376
  5. Step 5: Solve for x
    x = 570,680,969,376/846,503.36
  6. Step 6: Final answer
    x = 674,162.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.