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Finding the Fourth Proportional to 376,875, 565,571.70 and 155,259

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Solution

The fourth proportional to 376,875, 565,571.70 and 155,259 is: 232,995.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,875 : 565,571.70 = 155,259 : x
  2. Step 2: Convert to fraction form
    376,875/565,571.70 = 155,259/x
  3. Step 3: Cross multiply
    376,875x = 565,571.70 × 155,259
  4. Step 4: Simplify right side
    376,875x = 87,810,096,570.30
  5. Step 5: Solve for x
    x = 87,810,096,570.30/376,875
  6. Step 6: Final answer
    x = 232,995.28

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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.