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Finding the Fourth Proportional to 607,857.42, 911,786.13 and 233,792.94

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Solution

The fourth proportional to 607,857.42, 911,786.13 and 233,792.94 is: 350,689.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,857.42 : 911,786.13 = 233,792.94 : x
  2. Step 2: Convert to fraction form
    607,857.42/911,786.13 = 233,792.94/x
  3. Step 3: Cross multiply
    607,857.42x = 911,786.13 × 233,792.94
  4. Step 4: Simplify right side
    607,857.42x = 213,169,158,814.96
  5. Step 5: Solve for x
    x = 213,169,158,814.96/607,857.42
  6. Step 6: Final answer
    x = 350,689.41

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Double scale
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Similar ratio
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1.5x scale

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.