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Finding the Fourth Proportional to 1,473.62, 2,210.58 and 378.01

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Solution

The fourth proportional to 1,473.62, 2,210.58 and 378.01 is: 567.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.62 : 2,210.58 = 378.01 : x
  2. Step 2: Convert to fraction form
    1,473.62/2,210.58 = 378.01/x
  3. Step 3: Cross multiply
    1,473.62x = 2,210.58 × 378.01
  4. Step 4: Simplify right side
    1,473.62x = 835,615.82
  5. Step 5: Solve for x
    x = 835,615.82/1,473.62
  6. Step 6: Final answer
    x = 567.05

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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.