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Finding the Fourth Proportional to 448,907.66, 673,362.25 and 359,518.89

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Solution

The fourth proportional to 448,907.66, 673,362.25 and 359,518.89 is: 539,278.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,907.66 : 673,362.25 = 359,518.89 : x
  2. Step 2: Convert to fraction form
    448,907.66/673,362.25 = 359,518.89/x
  3. Step 3: Cross multiply
    448,907.66x = 673,362.25 × 359,518.89
  4. Step 4: Simplify right side
    448,907.66x = 242,086,447,789.11
  5. Step 5: Solve for x
    x = 242,086,447,789.11/448,907.66
  6. Step 6: Final answer
    x = 539,278.95

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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.