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Finding the Fourth Proportional to 1,133.16, 1,700.43 and 483.90

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Solution

The fourth proportional to 1,133.16, 1,700.43 and 483.90 is: 726.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133.16 : 1,700.43 = 483.90 : x
  2. Step 2: Convert to fraction form
    1,133.16/1,700.43 = 483.90/x
  3. Step 3: Cross multiply
    1,133.16x = 1,700.43 × 483.90
  4. Step 4: Simplify right side
    1,133.16x = 822,838.08
  5. Step 5: Solve for x
    x = 822,838.08/1,133.16
  6. Step 6: Final answer
    x = 726.14

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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.