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Finding the Fourth Proportional to 510.60, 704.16 and 336

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Solution

The fourth proportional to 510.60, 704.16 and 336 is: 463.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    510.60 : 704.16 = 336 : x
  2. Step 2: Convert to fraction form
    510.60/704.16 = 336/x
  3. Step 3: Cross multiply
    510.60x = 704.16 × 336
  4. Step 4: Simplify right side
    510.60x = 236,597.76
  5. Step 5: Solve for x
    x = 236,597.76/510.60
  6. Step 6: Final answer
    x = 463.37

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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.