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Finding the Fourth Proportional to 1,495.32, 2,241.74 and 570.36

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Solution

The fourth proportional to 1,495.32, 2,241.74 and 570.36 is: 855.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.32 : 2,241.74 = 570.36 : x
  2. Step 2: Convert to fraction form
    1,495.32/2,241.74 = 570.36/x
  3. Step 3: Cross multiply
    1,495.32x = 2,241.74 × 570.36
  4. Step 4: Simplify right side
    1,495.32x = 1,278,598.83
  5. Step 5: Solve for x
    x = 1,278,598.83/1,495.32
  6. Step 6: Final answer
    x = 855.07

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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.