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Finding the Fourth Proportional to 1,022.49, 1,533.89 and 373.37

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Solution

The fourth proportional to 1,022.49, 1,533.89 and 373.37 is: 560.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022.49 : 1,533.89 = 373.37 : x
  2. Step 2: Convert to fraction form
    1,022.49/1,533.89 = 373.37/x
  3. Step 3: Cross multiply
    1,022.49x = 1,533.89 × 373.37
  4. Step 4: Simplify right side
    1,022.49x = 572,701.77
  5. Step 5: Solve for x
    x = 572,701.77/1,022.49
  6. Step 6: Final answer
    x = 560.11

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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.