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Finding the Fourth Proportional to 524,398,624.40, 786,597,936.60 and 136,189,600.40

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Solution

The fourth proportional to 524,398,624.40, 786,597,936.60 and 136,189,600.40 is: 204,284,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,398,624.40 : 786,597,936.60 = 136,189,600.40 : x
  2. Step 2: Convert to fraction form
    524,398,624.40/786,597,936.60 = 136,189,600.40/x
  3. Step 3: Cross multiply
    524,398,624.40x = 786,597,936.60 × 136,189,600.40
  4. Step 4: Simplify right side
    524,398,624.40x = 107,126,458,661,018,544
  5. Step 5: Solve for x
    x = 107,126,458,661,018,544/524,398,624.40
  6. Step 6: Final answer
    x = 204,284,400.60

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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.