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Finding the Fourth Proportional to 531,744.59, 733,816.28 and 290,027.16

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Solution

The fourth proportional to 531,744.59, 733,816.28 and 290,027.16 is: 400,242.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,744.59 : 733,816.28 = 290,027.16 : x
  2. Step 2: Convert to fraction form
    531,744.59/733,816.28 = 290,027.16/x
  3. Step 3: Cross multiply
    531,744.59x = 733,816.28 × 290,027.16
  4. Step 4: Simplify right side
    531,744.59x = 212,826,651,650.17
  5. Step 5: Solve for x
    x = 212,826,651,650.17/531,744.59
  6. Step 6: Final answer
    x = 400,242.25

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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.