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Finding the Fourth Proportional to 795.48, 1,097.86 and 500.76

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Solution

The fourth proportional to 795.48, 1,097.86 and 500.76 is: 691.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.48 : 1,097.86 = 500.76 : x
  2. Step 2: Convert to fraction form
    795.48/1,097.86 = 500.76/x
  3. Step 3: Cross multiply
    795.48x = 1,097.86 × 500.76
  4. Step 4: Simplify right side
    795.48x = 549,764.37
  5. Step 5: Solve for x
    x = 549,764.37/795.48
  6. Step 6: Final answer
    x = 691.11

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Double scale
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1.5x scale

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.