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Finding the Fourth Proportional to 962.96, 1,444.43 and 476.35

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Solution

The fourth proportional to 962.96, 1,444.43 and 476.35 is: 714.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.96 : 1,444.43 = 476.35 : x
  2. Step 2: Convert to fraction form
    962.96/1,444.43 = 476.35/x
  3. Step 3: Cross multiply
    962.96x = 1,444.43 × 476.35
  4. Step 4: Simplify right side
    962.96x = 688,051.81
  5. Step 5: Solve for x
    x = 688,051.81/962.96
  6. Step 6: Final answer
    x = 714.52

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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.