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Finding the Fourth Proportional to 722,862.08, 997,222.56 and 436,290.56

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Solution

The fourth proportional to 722,862.08, 997,222.56 and 436,290.56 is: 601,883.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,862.08 : 997,222.56 = 436,290.56 : x
  2. Step 2: Convert to fraction form
    722,862.08/997,222.56 = 436,290.56/x
  3. Step 3: Cross multiply
    722,862.08x = 997,222.56 × 436,290.56
  4. Step 4: Simplify right side
    722,862.08x = 435,078,789,147.03
  5. Step 5: Solve for x
    x = 435,078,789,147.03/722,862.08
  6. Step 6: Final answer
    x = 601,883.54

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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.