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Finding the Fourth Proportional to 531,907.67, 734,029.09 and 302,464.97

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Solution

The fourth proportional to 531,907.67, 734,029.09 and 302,464.97 is: 417,399.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,907.67 : 734,029.09 = 302,464.97 : x
  2. Step 2: Convert to fraction form
    531,907.67/734,029.09 = 302,464.97/x
  3. Step 3: Cross multiply
    531,907.67x = 734,029.09 × 302,464.97
  4. Step 4: Simplify right side
    531,907.67x = 222,018,081,692.55
  5. Step 5: Solve for x
    x = 222,018,081,692.55/531,907.67
  6. Step 6: Final answer
    x = 417,399.67

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1.5x scale

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.