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Finding the Fourth Proportional to 1,526.01, 2,289.02 and 371.76

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Solution

The fourth proportional to 1,526.01, 2,289.02 and 371.76 is: 557.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.01 : 2,289.02 = 371.76 : x
  2. Step 2: Convert to fraction form
    1,526.01/2,289.02 = 371.76/x
  3. Step 3: Cross multiply
    1,526.01x = 2,289.02 × 371.76
  4. Step 4: Simplify right side
    1,526.01x = 850,966.08
  5. Step 5: Solve for x
    x = 850,966.08/1,526.01
  6. Step 6: Final answer
    x = 557.64

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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.