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Finding the Fourth Proportional to 585,538.80, 879,620.40 and 561,627.60

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Solution

The fourth proportional to 585,538.80, 879,620.40 and 561,627.60 is: 843,700.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,538.80 : 879,620.40 = 561,627.60 : x
  2. Step 2: Convert to fraction form
    585,538.80/879,620.40 = 561,627.60/x
  3. Step 3: Cross multiply
    585,538.80x = 879,620.40 × 561,627.60
  4. Step 4: Simplify right side
    585,538.80x = 494,019,094,163.04
  5. Step 5: Solve for x
    x = 494,019,094,163.04/585,538.80
  6. Step 6: Final answer
    x = 843,700.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.