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Finding the Fourth Proportional to 1,658.99, 2,488.72 and 563.06

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Solution

The fourth proportional to 1,658.99, 2,488.72 and 563.06 is: 844.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658.99 : 2,488.72 = 563.06 : x
  2. Step 2: Convert to fraction form
    1,658.99/2,488.72 = 563.06/x
  3. Step 3: Cross multiply
    1,658.99x = 2,488.72 × 563.06
  4. Step 4: Simplify right side
    1,658.99x = 1,401,303.50
  5. Step 5: Solve for x
    x = 1,401,303.50/1,658.99
  6. Step 6: Final answer
    x = 844.67

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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.