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Finding the Fourth Proportional to 436,505.60, 602,371.68 and 245,519.12

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Solution

The fourth proportional to 436,505.60, 602,371.68 and 245,519.12 is: 338,812.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,505.60 : 602,371.68 = 245,519.12 : x
  2. Step 2: Convert to fraction form
    436,505.60/602,371.68 = 245,519.12/x
  3. Step 3: Cross multiply
    436,505.60x = 602,371.68 × 245,519.12
  4. Step 4: Simplify right side
    436,505.60x = 147,893,764,786.52
  5. Step 5: Solve for x
    x = 147,893,764,786.52/436,505.60
  6. Step 6: Final answer
    x = 338,812.98

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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.