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Finding the Fourth Proportional to 431,321.94, 595,229.89 and 247,590.18

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Solution

The fourth proportional to 431,321.94, 595,229.89 and 247,590.18 is: 341,677.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,321.94 : 595,229.89 = 247,590.18 : x
  2. Step 2: Convert to fraction form
    431,321.94/595,229.89 = 247,590.18/x
  3. Step 3: Cross multiply
    431,321.94x = 595,229.89 × 247,590.18
  4. Step 4: Simplify right side
    431,321.94x = 147,373,075,606.48
  5. Step 5: Solve for x
    x = 147,373,075,606.48/431,321.94
  6. Step 6: Final answer
    x = 341,677.67

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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.