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Finding the Fourth Proportional to 1,457.64, 2,187.37 and 591.95

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Solution

The fourth proportional to 1,457.64, 2,187.37 and 591.95 is: 888.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457.64 : 2,187.37 = 591.95 : x
  2. Step 2: Convert to fraction form
    1,457.64/2,187.37 = 591.95/x
  3. Step 3: Cross multiply
    1,457.64x = 2,187.37 × 591.95
  4. Step 4: Simplify right side
    1,457.64x = 1,294,810.71
  5. Step 5: Solve for x
    x = 1,294,810.71/1,457.64
  6. Step 6: Final answer
    x = 888.29

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.