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Finding the Fourth Proportional to 1,158.77, 1,738.33 and 337.10

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Solution

The fourth proportional to 1,158.77, 1,738.33 and 337.10 is: 505.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158.77 : 1,738.33 = 337.10 : x
  2. Step 2: Convert to fraction form
    1,158.77/1,738.33 = 337.10/x
  3. Step 3: Cross multiply
    1,158.77x = 1,738.33 × 337.10
  4. Step 4: Simplify right side
    1,158.77x = 585,981.51
  5. Step 5: Solve for x
    x = 585,981.51/1,158.77
  6. Step 6: Final answer
    x = 505.69

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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.