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Finding the Fourth Proportional to 531,907.29, 734,028.57 and 302,464.59

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Solution

The fourth proportional to 531,907.29, 734,028.57 and 302,464.59 is: 417,399.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,907.29 : 734,028.57 = 302,464.59 : x
  2. Step 2: Convert to fraction form
    531,907.29/734,028.57 = 302,464.59/x
  3. Step 3: Cross multiply
    531,907.29x = 734,028.57 × 302,464.59
  4. Step 4: Simplify right side
    531,907.29x = 222,017,649,359.84
  5. Step 5: Solve for x
    x = 222,017,649,359.84/531,907.29
  6. Step 6: Final answer
    x = 417,399.15

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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.