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Finding the Fourth Proportional to 436,589.60, 602,528.64 and 245,591.60

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Solution

The fourth proportional to 436,589.60, 602,528.64 and 245,591.60 is: 338,936.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,589.60 : 602,528.64 = 245,591.60 : x
  2. Step 2: Convert to fraction form
    436,589.60/602,528.64 = 245,591.60/x
  3. Step 3: Cross multiply
    436,589.60x = 602,528.64 × 245,591.60
  4. Step 4: Simplify right side
    436,589.60x = 147,975,972,743.42
  5. Step 5: Solve for x
    x = 147,975,972,743.42/436,589.60
  6. Step 6: Final answer
    x = 338,936.09

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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.