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Finding the Fourth Proportional to 2,404.30, 3,607.80 and 1,017.40

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Solution

The fourth proportional to 2,404.30, 3,607.80 and 1,017.40 is: 1,526.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,404.30 : 3,607.80 = 1,017.40 : x
  2. Step 2: Convert to fraction form
    2,404.30/3,607.80 = 1,017.40/x
  3. Step 3: Cross multiply
    2,404.30x = 3,607.80 × 1,017.40
  4. Step 4: Simplify right side
    2,404.30x = 3,670,575.72
  5. Step 5: Solve for x
    x = 3,670,575.72/2,404.30
  6. Step 6: Final answer
    x = 1,526.67

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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.