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Finding the Fourth Proportional to 1,158.02, 1,737.03 and 292.33

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Solution

The fourth proportional to 1,158.02, 1,737.03 and 292.33 is: 438.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158.02 : 1,737.03 = 292.33 : x
  2. Step 2: Convert to fraction form
    1,158.02/1,737.03 = 292.33/x
  3. Step 3: Cross multiply
    1,158.02x = 1,737.03 × 292.33
  4. Step 4: Simplify right side
    1,158.02x = 507,780.91
  5. Step 5: Solve for x
    x = 507,780.91/1,158.02
  6. Step 6: Final answer
    x = 438.49

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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.