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Finding the Fourth Proportional to 1,527.48, 2,289.65 and 602.67

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Solution

The fourth proportional to 1,527.48, 2,289.65 and 602.67 is: 903.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527.48 : 2,289.65 = 602.67 : x
  2. Step 2: Convert to fraction form
    1,527.48/2,289.65 = 602.67/x
  3. Step 3: Cross multiply
    1,527.48x = 2,289.65 × 602.67
  4. Step 4: Simplify right side
    1,527.48x = 1,379,903.37
  5. Step 5: Solve for x
    x = 1,379,903.37/1,527.48
  6. Step 6: Final answer
    x = 903.39

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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.