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Finding the Fourth Proportional to 459,469.32, 688,604.98 and 234,640.25

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Solution

The fourth proportional to 459,469.32, 688,604.98 and 234,640.25 is: 351,654.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,469.32 : 688,604.98 = 234,640.25 : x
  2. Step 2: Convert to fraction form
    459,469.32/688,604.98 = 234,640.25/x
  3. Step 3: Cross multiply
    459,469.32x = 688,604.98 × 234,640.25
  4. Step 4: Simplify right side
    459,469.32x = 161,574,444,658.45
  5. Step 5: Solve for x
    x = 161,574,444,658.45/459,469.32
  6. Step 6: Final answer
    x = 351,654.48

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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.