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Finding the Fourth Proportional to 1,376.32, 2,064.84 and 595.90

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Solution

The fourth proportional to 1,376.32, 2,064.84 and 595.90 is: 894.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376.32 : 2,064.84 = 595.90 : x
  2. Step 2: Convert to fraction form
    1,376.32/2,064.84 = 595.90/x
  3. Step 3: Cross multiply
    1,376.32x = 2,064.84 × 595.90
  4. Step 4: Simplify right side
    1,376.32x = 1,230,438.16
  5. Step 5: Solve for x
    x = 1,230,438.16/1,376.32
  6. Step 6: Final answer
    x = 894.01

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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.