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Finding the Fourth Proportional to 436,573.94, 602,372.30 and 245,517.62

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Solution

The fourth proportional to 436,573.94, 602,372.30 and 245,517.62 is: 338,758.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,573.94 : 602,372.30 = 245,517.62 : x
  2. Step 2: Convert to fraction form
    436,573.94/602,372.30 = 245,517.62/x
  3. Step 3: Cross multiply
    436,573.94x = 602,372.30 × 245,517.62
  4. Step 4: Simplify right side
    436,573.94x = 147,893,013,449.93
  5. Step 5: Solve for x
    x = 147,893,013,449.93/436,573.94
  6. Step 6: Final answer
    x = 338,758.23

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Half scale
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Double scale
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Similar ratio
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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.