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Finding the Fourth Proportional to 924.91, 1,276.63 and 552.14

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Solution

The fourth proportional to 924.91, 1,276.63 and 552.14 is: 762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.91 : 1,276.63 = 552.14 : x
  2. Step 2: Convert to fraction form
    924.91/1,276.63 = 552.14/x
  3. Step 3: Cross multiply
    924.91x = 1,276.63 × 552.14
  4. Step 4: Simplify right side
    924.91x = 704,875.51
  5. Step 5: Solve for x
    x = 704,875.51/924.91
  6. Step 6: Final answer
    x = 762.10

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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.