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Finding the Fourth Proportional to 436,611.78, 602,268.88 and 283,751.78

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Solution

The fourth proportional to 436,611.78, 602,268.88 and 283,751.78 is: 391,411.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,611.78 : 602,268.88 = 283,751.78 : x
  2. Step 2: Convert to fraction form
    436,611.78/602,268.88 = 283,751.78/x
  3. Step 3: Cross multiply
    436,611.78x = 602,268.88 × 283,751.78
  4. Step 4: Simplify right side
    436,611.78x = 170,894,866,563.28
  5. Step 5: Solve for x
    x = 170,894,866,563.28/436,611.78
  6. Step 6: Final answer
    x = 391,411.49

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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.