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Finding the Fourth Proportional to 531,733.76, 797,505.93 and 211,858.82

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Solution

The fourth proportional to 531,733.76, 797,505.93 and 211,858.82 is: 317,750.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,733.76 : 797,505.93 = 211,858.82 : x
  2. Step 2: Convert to fraction form
    531,733.76/797,505.93 = 211,858.82/x
  3. Step 3: Cross multiply
    531,733.76x = 797,505.93 × 211,858.82
  4. Step 4: Simplify right side
    531,733.76x = 168,958,661,285.27
  5. Step 5: Solve for x
    x = 168,958,661,285.27/531,733.76
  6. Step 6: Final answer
    x = 317,750.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.