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Finding the Fourth Proportional to 795.53, 1,097.70 and 463.70

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Solution

The fourth proportional to 795.53, 1,097.70 and 463.70 is: 639.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.53 : 1,097.70 = 463.70 : x
  2. Step 2: Convert to fraction form
    795.53/1,097.70 = 463.70/x
  3. Step 3: Cross multiply
    795.53x = 1,097.70 × 463.70
  4. Step 4: Simplify right side
    795.53x = 508,998.00
  5. Step 5: Solve for x
    x = 508,998.00/795.53
  6. Step 6: Final answer
    x = 639.83

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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.