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Finding the Fourth Proportional to 313,631.55, 470,476.47 and 88,997.49

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Solution

The fourth proportional to 313,631.55, 470,476.47 and 88,997.49 is: 133,504.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,631.55 : 470,476.47 = 88,997.49 : x
  2. Step 2: Convert to fraction form
    313,631.55/470,476.47 = 88,997.49/x
  3. Step 3: Cross multiply
    313,631.55x = 470,476.47 × 88,997.49
  4. Step 4: Simplify right side
    313,631.55x = 41,871,224,934.06
  5. Step 5: Solve for x
    x = 41,871,224,934.06/313,631.55
  6. Step 6: Final answer
    x = 133,504.51

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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.