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Finding the Fourth Proportional to 1,556.28, 2,334.88 and 460.67

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Solution

The fourth proportional to 1,556.28, 2,334.88 and 460.67 is: 691.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.28 : 2,334.88 = 460.67 : x
  2. Step 2: Convert to fraction form
    1,556.28/2,334.88 = 460.67/x
  3. Step 3: Cross multiply
    1,556.28x = 2,334.88 × 460.67
  4. Step 4: Simplify right side
    1,556.28x = 1,075,613.86
  5. Step 5: Solve for x
    x = 1,075,613.86/1,556.28
  6. Step 6: Final answer
    x = 691.14

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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.