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Finding the Fourth Proportional to 531,892.40, 734,010.36 and 290,175.12

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Solution

The fourth proportional to 531,892.40, 734,010.36 and 290,175.12 is: 400,441.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,892.40 : 734,010.36 = 290,175.12 : x
  2. Step 2: Convert to fraction form
    531,892.40/734,010.36 = 290,175.12/x
  3. Step 3: Cross multiply
    531,892.40x = 734,010.36 × 290,175.12
  4. Step 4: Simplify right side
    531,892.40x = 212,991,544,294.24
  5. Step 5: Solve for x
    x = 212,991,544,294.24/531,892.40
  6. Step 6: Final answer
    x = 400,441.04

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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.