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Finding the Fourth Proportional to 897,423.54, 1,346,147.03 and 298,384.69

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Solution

The fourth proportional to 897,423.54, 1,346,147.03 and 298,384.69 is: 447,580.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,423.54 : 1,346,147.03 = 298,384.69 : x
  2. Step 2: Convert to fraction form
    897,423.54/1,346,147.03 = 298,384.69/x
  3. Step 3: Cross multiply
    897,423.54x = 1,346,147.03 × 298,384.69
  4. Step 4: Simplify right side
    897,423.54x = 401,669,664,240.97
  5. Step 5: Solve for x
    x = 401,669,664,240.97/897,423.54
  6. Step 6: Final answer
    x = 447,580.93

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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.