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Finding the Fourth Proportional to 795.64, 1,097.76 and 464.08

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Solution

The fourth proportional to 795.64, 1,097.76 and 464.08 is: 640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.64 : 1,097.76 = 464.08 : x
  2. Step 2: Convert to fraction form
    795.64/1,097.76 = 464.08/x
  3. Step 3: Cross multiply
    795.64x = 1,097.76 × 464.08
  4. Step 4: Simplify right side
    795.64x = 509,448.46
  5. Step 5: Solve for x
    x = 509,448.46/795.64
  6. Step 6: Final answer
    x = 640.30

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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.