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Finding the Fourth Proportional to 264,423.46, 395,749.59 and 217,036.90

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Solution

The fourth proportional to 264,423.46, 395,749.59 and 217,036.90 is: 324,828.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,423.46 : 395,749.59 = 217,036.90 : x
  2. Step 2: Convert to fraction form
    264,423.46/395,749.59 = 217,036.90/x
  3. Step 3: Cross multiply
    264,423.46x = 395,749.59 × 217,036.90
  4. Step 4: Simplify right side
    264,423.46x = 85,892,264,189.87
  5. Step 5: Solve for x
    x = 85,892,264,189.87/264,423.46
  6. Step 6: Final answer
    x = 324,828.46

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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.