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Finding the Fourth Proportional to 332,840.56, 459,266.88 and 189,603.40

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Solution

The fourth proportional to 332,840.56, 459,266.88 and 189,603.40 is: 261,622.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,840.56 : 459,266.88 = 189,603.40 : x
  2. Step 2: Convert to fraction form
    332,840.56/459,266.88 = 189,603.40/x
  3. Step 3: Cross multiply
    332,840.56x = 459,266.88 × 189,603.40
  4. Step 4: Simplify right side
    332,840.56x = 87,078,561,955.39
  5. Step 5: Solve for x
    x = 87,078,561,955.39/332,840.56
  6. Step 6: Final answer
    x = 261,622.45

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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.