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Finding the Fourth Proportional to 434.53, 651.80 and 332

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Solution

The fourth proportional to 434.53, 651.80 and 332 is: 498.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.53 : 651.80 = 332 : x
  2. Step 2: Convert to fraction form
    434.53/651.80 = 332/x
  3. Step 3: Cross multiply
    434.53x = 651.80 × 332
  4. Step 4: Simplify right side
    434.53x = 216,397.60
  5. Step 5: Solve for x
    x = 216,397.60/434.53
  6. Step 6: Final answer
    x = 498.00

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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.