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Finding the Fourth Proportional to 597, 893.58 and 432.48

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Solution

The fourth proportional to 597, 893.58 and 432.48 is: 647.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    597 : 893.58 = 432.48 : x
  2. Step 2: Convert to fraction form
    597/893.58 = 432.48/x
  3. Step 3: Cross multiply
    597x = 893.58 × 432.48
  4. Step 4: Simplify right side
    597x = 386,455.48
  5. Step 5: Solve for x
    x = 386,455.48/597
  6. Step 6: Final answer
    x = 647.33

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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.