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Finding the Fourth Proportional to 234,586.40, 323,915.58 and 216,674.87

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Solution

The fourth proportional to 234,586.40, 323,915.58 and 216,674.87 is: 299,183.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,586.40 : 323,915.58 = 216,674.87 : x
  2. Step 2: Convert to fraction form
    234,586.40/323,915.58 = 216,674.87/x
  3. Step 3: Cross multiply
    234,586.40x = 323,915.58 × 216,674.87
  4. Step 4: Simplify right side
    234,586.40x = 70,184,364,567.90
  5. Step 5: Solve for x
    x = 70,184,364,567.90/234,586.40
  6. Step 6: Final answer
    x = 299,183.44

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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.