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Finding the Fourth Proportional to 743.52, 1,026.06 and 433

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Solution

The fourth proportional to 743.52, 1,026.06 and 433 is: 597.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    743.52 : 1,026.06 = 433 : x
  2. Step 2: Convert to fraction form
    743.52/1,026.06 = 433/x
  3. Step 3: Cross multiply
    743.52x = 1,026.06 × 433
  4. Step 4: Simplify right side
    743.52x = 444,283.98
  5. Step 5: Solve for x
    x = 444,283.98/743.52
  6. Step 6: Final answer
    x = 597.54

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