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Finding the Fourth Proportional to 1,133.93, 1,700.51 and 403.40

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Solution

The fourth proportional to 1,133.93, 1,700.51 and 403.40 is: 604.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133.93 : 1,700.51 = 403.40 : x
  2. Step 2: Convert to fraction form
    1,133.93/1,700.51 = 403.40/x
  3. Step 3: Cross multiply
    1,133.93x = 1,700.51 × 403.40
  4. Step 4: Simplify right side
    1,133.93x = 685,975.21
  5. Step 5: Solve for x
    x = 685,975.21/1,133.93
  6. Step 6: Final answer
    x = 604.96

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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.