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Finding the Fourth Proportional to 795.18, 1,097.74 and 500.58

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Solution

The fourth proportional to 795.18, 1,097.74 and 500.58 is: 691.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.18 : 1,097.74 = 500.58 : x
  2. Step 2: Convert to fraction form
    795.18/1,097.74 = 500.58/x
  3. Step 3: Cross multiply
    795.18x = 1,097.74 × 500.58
  4. Step 4: Simplify right side
    795.18x = 549,506.69
  5. Step 5: Solve for x
    x = 549,506.69/795.18
  6. Step 6: Final answer
    x = 691.05

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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.