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Finding the Fourth Proportional to 1,526.46, 2,289.02 and 910.46

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Solution

The fourth proportional to 1,526.46, 2,289.02 and 910.46 is: 1,365.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.46 : 2,289.02 = 910.46 : x
  2. Step 2: Convert to fraction form
    1,526.46/2,289.02 = 910.46/x
  3. Step 3: Cross multiply
    1,526.46x = 2,289.02 × 910.46
  4. Step 4: Simplify right side
    1,526.46x = 2,084,045.15
  5. Step 5: Solve for x
    x = 2,084,045.15/1,526.46
  6. Step 6: Final answer
    x = 1,365.28

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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.