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Finding the Fourth Proportional to 964.08, 1,444.68 and 476.52

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Solution

The fourth proportional to 964.08, 1,444.68 and 476.52 is: 714.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    964.08 : 1,444.68 = 476.52 : x
  2. Step 2: Convert to fraction form
    964.08/1,444.68 = 476.52/x
  3. Step 3: Cross multiply
    964.08x = 1,444.68 × 476.52
  4. Step 4: Simplify right side
    964.08x = 688,418.91
  5. Step 5: Solve for x
    x = 688,418.91/964.08
  6. Step 6: Final answer
    x = 714.07

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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.