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Finding the Fourth Proportional to 425.65, 586.95 and 332.23

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Solution

The fourth proportional to 425.65, 586.95 and 332.23 is: 458.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    425.65 : 586.95 = 332.23 : x
  2. Step 2: Convert to fraction form
    425.65/586.95 = 332.23/x
  3. Step 3: Cross multiply
    425.65x = 586.95 × 332.23
  4. Step 4: Simplify right side
    425.65x = 195,002.40
  5. Step 5: Solve for x
    x = 195,002.40/425.65
  6. Step 6: Final answer
    x = 458.13

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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.