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Finding the Fourth Proportional to 795.52, 1,097.60 and 500.64

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Solution

The fourth proportional to 795.52, 1,097.60 and 500.64 is: 690.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.52 : 1,097.60 = 500.64 : x
  2. Step 2: Convert to fraction form
    795.52/1,097.60 = 500.64/x
  3. Step 3: Cross multiply
    795.52x = 1,097.60 × 500.64
  4. Step 4: Simplify right side
    795.52x = 549,502.46
  5. Step 5: Solve for x
    x = 549,502.46/795.52
  6. Step 6: Final answer
    x = 690.75

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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.