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Finding the Fourth Proportional to 436,641.80, 602,522.78 and 245,651.10

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Solution

The fourth proportional to 436,641.80, 602,522.78 and 245,651.10 is: 338,974.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,641.80 : 602,522.78 = 245,651.10 : x
  2. Step 2: Convert to fraction form
    436,641.80/602,522.78 = 245,651.10/x
  3. Step 3: Cross multiply
    436,641.80x = 602,522.78 × 245,651.10
  4. Step 4: Simplify right side
    436,641.80x = 148,010,383,682.06
  5. Step 5: Solve for x
    x = 148,010,383,682.06/436,641.80
  6. Step 6: Final answer
    x = 338,974.38

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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.