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Finding the Fourth Proportional to 942.99, 1,411.53 and 595.12

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Solution

The fourth proportional to 942.99, 1,411.53 and 595.12 is: 890.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    942.99 : 1,411.53 = 595.12 : x
  2. Step 2: Convert to fraction form
    942.99/1,411.53 = 595.12/x
  3. Step 3: Cross multiply
    942.99x = 1,411.53 × 595.12
  4. Step 4: Simplify right side
    942.99x = 840,030.59
  5. Step 5: Solve for x
    x = 840,030.59/942.99
  6. Step 6: Final answer
    x = 890.81

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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.