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Finding the Fourth Proportional to 436,837.77, 602,855.52 and 245,863.53

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Solution

The fourth proportional to 436,837.77, 602,855.52 and 245,863.53 is: 339,302.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,837.77 : 602,855.52 = 245,863.53 : x
  2. Step 2: Convert to fraction form
    436,837.77/602,855.52 = 245,863.53/x
  3. Step 3: Cross multiply
    436,837.77x = 602,855.52 × 245,863.53
  4. Step 4: Simplify right side
    436,837.77x = 148,220,184,997.87
  5. Step 5: Solve for x
    x = 148,220,184,997.87/436,837.77
  6. Step 6: Final answer
    x = 339,302.59

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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.