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Finding the Fourth Proportional to 500,076.45, 751,018.23 and 460,021.68

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Solution

The fourth proportional to 500,076.45, 751,018.23 and 460,021.68 is: 690,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,076.45 : 751,018.23 = 460,021.68 : x
  2. Step 2: Convert to fraction form
    500,076.45/751,018.23 = 460,021.68/x
  3. Step 3: Cross multiply
    500,076.45x = 751,018.23 × 460,021.68
  4. Step 4: Simplify right side
    500,076.45x = 345,484,667,875.23
  5. Step 5: Solve for x
    x = 345,484,667,875.23/500,076.45
  6. Step 6: Final answer
    x = 690,863.70

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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.