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Finding the Fourth Proportional to 595.19, 892.25 and 430.25

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Solution

The fourth proportional to 595.19, 892.25 and 430.25 is: 644.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.19 : 892.25 = 430.25 : x
  2. Step 2: Convert to fraction form
    595.19/892.25 = 430.25/x
  3. Step 3: Cross multiply
    595.19x = 892.25 × 430.25
  4. Step 4: Simplify right side
    595.19x = 383,883.95
  5. Step 5: Solve for x
    x = 383,883.95/595.19
  6. Step 6: Final answer
    x = 644.98

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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.