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Finding the Fourth Proportional to 362,289.21, 499,935.98 and 201,144.22

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Solution

The fourth proportional to 362,289.21, 499,935.98 and 201,144.22 is: 277,566.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,289.21 : 499,935.98 = 201,144.22 : x
  2. Step 2: Convert to fraction form
    362,289.21/499,935.98 = 201,144.22/x
  3. Step 3: Cross multiply
    362,289.21x = 499,935.98 × 201,144.22
  4. Step 4: Simplify right side
    362,289.21x = 100,559,232,000.06
  5. Step 5: Solve for x
    x = 100,559,232,000.06/362,289.21
  6. Step 6: Final answer
    x = 277,566.18

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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.