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Finding the Fourth Proportional to 1,133.87, 1,701.05 and 353.93

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Solution

The fourth proportional to 1,133.87, 1,701.05 and 353.93 is: 530.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133.87 : 1,701.05 = 353.93 : x
  2. Step 2: Convert to fraction form
    1,133.87/1,701.05 = 353.93/x
  3. Step 3: Cross multiply
    1,133.87x = 1,701.05 × 353.93
  4. Step 4: Simplify right side
    1,133.87x = 602,042.35
  5. Step 5: Solve for x
    x = 602,042.35/1,133.87
  6. Step 6: Final answer
    x = 530.96

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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.