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Finding the Fourth Proportional to 480, 714.56 and 467.84

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Solution

The fourth proportional to 480, 714.56 and 467.84 is: 696.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    480 : 714.56 = 467.84 : x
  2. Step 2: Convert to fraction form
    480/714.56 = 467.84/x
  3. Step 3: Cross multiply
    480x = 714.56 × 467.84
  4. Step 4: Simplify right side
    480x = 334,299.75
  5. Step 5: Solve for x
    x = 334,299.75/480
  6. Step 6: Final answer
    x = 696.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.