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Finding the Fourth Proportional to 436,291.60, 602,067 and 245,315.92

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Solution

The fourth proportional to 436,291.60, 602,067 and 245,315.92 is: 338,527.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,291.60 : 602,067 = 245,315.92 : x
  2. Step 2: Convert to fraction form
    436,291.60/602,067 = 245,315.92/x
  3. Step 3: Cross multiply
    436,291.60x = 602,067 × 245,315.92
  4. Step 4: Simplify right side
    436,291.60x = 147,696,620,006.64
  5. Step 5: Solve for x
    x = 147,696,620,006.64/436,291.60
  6. Step 6: Final answer
    x = 338,527.31

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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.