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Finding the Fourth Proportional to 1,526.12, 2,290.12 and 601.51

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Solution

The fourth proportional to 1,526.12, 2,290.12 and 601.51 is: 902.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.12 : 2,290.12 = 601.51 : x
  2. Step 2: Convert to fraction form
    1,526.12/2,290.12 = 601.51/x
  3. Step 3: Cross multiply
    1,526.12x = 2,290.12 × 601.51
  4. Step 4: Simplify right side
    1,526.12x = 1,377,530.08
  5. Step 5: Solve for x
    x = 1,377,530.08/1,526.12
  6. Step 6: Final answer
    x = 902.64

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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.