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Finding the Fourth Proportional to 436,820.62, 602,712.75 and 245,764.30

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Solution

The fourth proportional to 436,820.62, 602,712.75 and 245,764.30 is: 339,098.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,820.62 : 602,712.75 = 245,764.30 : x
  2. Step 2: Convert to fraction form
    436,820.62/602,712.75 = 245,764.30/x
  3. Step 3: Cross multiply
    436,820.62x = 602,712.75 × 245,764.30
  4. Step 4: Simplify right side
    436,820.62x = 148,125,277,104.83
  5. Step 5: Solve for x
    x = 148,125,277,104.83/436,820.62
  6. Step 6: Final answer
    x = 339,098.64

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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.