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Finding the Fourth Proportional to 1,624.32, 2,437.08 and 584.40

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Solution

The fourth proportional to 1,624.32, 2,437.08 and 584.40 is: 876.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.32 : 2,437.08 = 584.40 : x
  2. Step 2: Convert to fraction form
    1,624.32/2,437.08 = 584.40/x
  3. Step 3: Cross multiply
    1,624.32x = 2,437.08 × 584.40
  4. Step 4: Simplify right side
    1,624.32x = 1,424,229.55
  5. Step 5: Solve for x
    x = 1,424,229.55/1,624.32
  6. Step 6: Final answer
    x = 876.82

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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.