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Finding the Fourth Proportional to 431,162.80, 602,840.60 and 431,162.80

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Solution

The fourth proportional to 431,162.80, 602,840.60 and 431,162.80 is: 602,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,162.80 : 602,840.60 = 431,162.80 : x
  2. Step 2: Convert to fraction form
    431,162.80/602,840.60 = 431,162.80/x
  3. Step 3: Cross multiply
    431,162.80x = 602,840.60 × 431,162.80
  4. Step 4: Simplify right side
    431,162.80x = 259,922,441,049.68
  5. Step 5: Solve for x
    x = 259,922,441,049.68/431,162.80
  6. Step 6: Final answer
    x = 602,840.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.