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Finding the Fourth Proportional to 1,022.51, 1,533.92 and 373.10

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Solution

The fourth proportional to 1,022.51, 1,533.92 and 373.10 is: 559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022.51 : 1,533.92 = 373.10 : x
  2. Step 2: Convert to fraction form
    1,022.51/1,533.92 = 373.10/x
  3. Step 3: Cross multiply
    1,022.51x = 1,533.92 × 373.10
  4. Step 4: Simplify right side
    1,022.51x = 572,297.88
  5. Step 5: Solve for x
    x = 572,297.88/1,022.51
  6. Step 6: Final answer
    x = 559.70

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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.