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Finding the Fourth Proportional to 1,574.82, 2,362.50 and 464.40

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Solution

The fourth proportional to 1,574.82, 2,362.50 and 464.40 is: 696.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574.82 : 2,362.50 = 464.40 : x
  2. Step 2: Convert to fraction form
    1,574.82/2,362.50 = 464.40/x
  3. Step 3: Cross multiply
    1,574.82x = 2,362.50 × 464.40
  4. Step 4: Simplify right side
    1,574.82x = 1,097,145
  5. Step 5: Solve for x
    x = 1,097,145/1,574.82
  6. Step 6: Final answer
    x = 696.68

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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.