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Finding the Fourth Proportional to 370,840.84, 511,755.42 and 201,071.32

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Solution

The fourth proportional to 370,840.84, 511,755.42 and 201,071.32 is: 277,475.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,840.84 : 511,755.42 = 201,071.32 : x
  2. Step 2: Convert to fraction form
    370,840.84/511,755.42 = 201,071.32/x
  3. Step 3: Cross multiply
    370,840.84x = 511,755.42 × 201,071.32
  4. Step 4: Simplify right side
    370,840.84x = 102,899,337,816.55
  5. Step 5: Solve for x
    x = 102,899,337,816.55/370,840.84
  6. Step 6: Final answer
    x = 277,475.74

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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.