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Finding the Fourth Proportional to 896.93, 1,237.46 and 503.87

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Solution

The fourth proportional to 896.93, 1,237.46 and 503.87 is: 695.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    896.93 : 1,237.46 = 503.87 : x
  2. Step 2: Convert to fraction form
    896.93/1,237.46 = 503.87/x
  3. Step 3: Cross multiply
    896.93x = 1,237.46 × 503.87
  4. Step 4: Simplify right side
    896.93x = 623,510.26
  5. Step 5: Solve for x
    x = 623,510.26/896.93
  6. Step 6: Final answer
    x = 695.16

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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.