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Finding the Fourth Proportional to 897,604.14, 1,346,402.55 and 365,120.70

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Solution

The fourth proportional to 897,604.14, 1,346,402.55 and 365,120.70 is: 547,679.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,604.14 : 1,346,402.55 = 365,120.70 : x
  2. Step 2: Convert to fraction form
    897,604.14/1,346,402.55 = 365,120.70/x
  3. Step 3: Cross multiply
    897,604.14x = 1,346,402.55 × 365,120.70
  4. Step 4: Simplify right side
    897,604.14x = 491,599,441,537.79
  5. Step 5: Solve for x
    x = 491,599,441,537.79/897,604.14
  6. Step 6: Final answer
    x = 547,679.56

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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.