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Finding the Fourth Proportional to 436,761.23, 602,730.23 and 245,774.79

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Solution

The fourth proportional to 436,761.23, 602,730.23 and 245,774.79 is: 339,169.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,761.23 : 602,730.23 = 245,774.79 : x
  2. Step 2: Convert to fraction form
    436,761.23/602,730.23 = 245,774.79/x
  3. Step 3: Cross multiply
    436,761.23x = 602,730.23 × 245,774.79
  4. Step 4: Simplify right side
    436,761.23x = 148,135,894,476.03
  5. Step 5: Solve for x
    x = 148,135,894,476.03/436,761.23
  6. Step 6: Final answer
    x = 339,169.06

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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.