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Finding the Fourth Proportional to 1,051.96, 1,451.65 and 610.00

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Solution

The fourth proportional to 1,051.96, 1,451.65 and 610.00 is: 841.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051.96 : 1,451.65 = 610.00 : x
  2. Step 2: Convert to fraction form
    1,051.96/1,451.65 = 610.00/x
  3. Step 3: Cross multiply
    1,051.96x = 1,451.65 × 610.00
  4. Step 4: Simplify right side
    1,051.96x = 885,496.19
  5. Step 5: Solve for x
    x = 885,496.19/1,051.96
  6. Step 6: Final answer
    x = 841.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.