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Finding the Fourth Proportional to 1,526.88, 2,290.26 and 500.88

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Solution

The fourth proportional to 1,526.88, 2,290.26 and 500.88 is: 751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.88 : 2,290.26 = 500.88 : x
  2. Step 2: Convert to fraction form
    1,526.88/2,290.26 = 500.88/x
  3. Step 3: Cross multiply
    1,526.88x = 2,290.26 × 500.88
  4. Step 4: Simplify right side
    1,526.88x = 1,147,145.43
  5. Step 5: Solve for x
    x = 1,147,145.43/1,526.88
  6. Step 6: Final answer
    x = 751.30

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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.