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Finding the Fourth Proportional to 591,500.40, 885,938.40 and 512,768.40

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Solution

The fourth proportional to 591,500.40, 885,938.40 and 512,768.40 is: 768,015.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,500.40 : 885,938.40 = 512,768.40 : x
  2. Step 2: Convert to fraction form
    591,500.40/885,938.40 = 512,768.40/x
  3. Step 3: Cross multiply
    591,500.40x = 885,938.40 × 512,768.40
  4. Step 4: Simplify right side
    591,500.40x = 454,281,215,866.56
  5. Step 5: Solve for x
    x = 454,281,215,866.56/591,500.40
  6. Step 6: Final answer
    x = 768,015.06

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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.