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Finding the Fourth Proportional to 336,808.70, 464,847.09 and 209,525.30

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Solution

The fourth proportional to 336,808.70, 464,847.09 and 209,525.30 is: 289,176.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,808.70 : 464,847.09 = 209,525.30 : x
  2. Step 2: Convert to fraction form
    336,808.70/464,847.09 = 209,525.30/x
  3. Step 3: Cross multiply
    336,808.70x = 464,847.09 × 209,525.30
  4. Step 4: Simplify right side
    336,808.70x = 97,397,225,986.38
  5. Step 5: Solve for x
    x = 97,397,225,986.38/336,808.70
  6. Step 6: Final answer
    x = 289,176.69

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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.