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Finding the Fourth Proportional to 424,045.45, 585,175.93 and 233,054.74

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Solution

The fourth proportional to 424,045.45, 585,175.93 and 233,054.74 is: 321,611.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,045.45 : 585,175.93 = 233,054.74 : x
  2. Step 2: Convert to fraction form
    424,045.45/585,175.93 = 233,054.74/x
  3. Step 3: Cross multiply
    424,045.45x = 585,175.93 × 233,054.74
  4. Step 4: Simplify right side
    424,045.45x = 136,378,024,220.41
  5. Step 5: Solve for x
    x = 136,378,024,220.41/424,045.45
  6. Step 6: Final answer
    x = 321,611.81

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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.