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Finding the Fourth Proportional to 543,951.35, 750,607.75 and 298,923.23

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Solution

The fourth proportional to 543,951.35, 750,607.75 and 298,923.23 is: 412,489.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,951.35 : 750,607.75 = 298,923.23 : x
  2. Step 2: Convert to fraction form
    543,951.35/750,607.75 = 298,923.23/x
  3. Step 3: Cross multiply
    543,951.35x = 750,607.75 × 298,923.23
  4. Step 4: Simplify right side
    543,951.35x = 224,374,093,093.03
  5. Step 5: Solve for x
    x = 224,374,093,093.03/543,951.35
  6. Step 6: Final answer
    x = 412,489.27

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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.