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Finding the Fourth Proportional to 973.23, 1,458.51 and 626.37

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Solution

The fourth proportional to 973.23, 1,458.51 and 626.37 is: 938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.23 : 1,458.51 = 626.37 : x
  2. Step 2: Convert to fraction form
    973.23/1,458.51 = 626.37/x
  3. Step 3: Cross multiply
    973.23x = 1,458.51 × 626.37
  4. Step 4: Simplify right side
    973.23x = 913,566.91
  5. Step 5: Solve for x
    x = 913,566.91/973.23
  6. Step 6: Final answer
    x = 938.70

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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.