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Finding the Fourth Proportional to 1,703.29, 2,350.78 and 1,074.10

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Solution

The fourth proportional to 1,703.29, 2,350.78 and 1,074.10 is: 1,482.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703.29 : 2,350.78 = 1,074.10 : x
  2. Step 2: Convert to fraction form
    1,703.29/2,350.78 = 1,074.10/x
  3. Step 3: Cross multiply
    1,703.29x = 2,350.78 × 1,074.10
  4. Step 4: Simplify right side
    1,703.29x = 2,524,955.67
  5. Step 5: Solve for x
    x = 2,524,955.67/1,703.29
  6. Step 6: Final answer
    x = 1,482.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.