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Finding the Fourth Proportional to 436,578.72, 602,137.44 and 283,666.24

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Solution

The fourth proportional to 436,578.72, 602,137.44 and 283,666.24 is: 391,237.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,578.72 : 602,137.44 = 283,666.24 : x
  2. Step 2: Convert to fraction form
    436,578.72/602,137.44 = 283,666.24/x
  3. Step 3: Cross multiply
    436,578.72x = 602,137.44 × 283,666.24
  4. Step 4: Simplify right side
    436,578.72x = 170,806,063,568.03
  5. Step 5: Solve for x
    x = 170,806,063,568.03/436,578.72
  6. Step 6: Final answer
    x = 391,237.72

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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.