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Finding the Fourth Proportional to 531,969.30, 797,813.55 and 265,533.30

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Solution

The fourth proportional to 531,969.30, 797,813.55 and 265,533.30 is: 398,229.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,969.30 : 797,813.55 = 265,533.30 : x
  2. Step 2: Convert to fraction form
    531,969.30/797,813.55 = 265,533.30/x
  3. Step 3: Cross multiply
    531,969.30x = 797,813.55 × 265,533.30
  4. Step 4: Simplify right side
    531,969.30x = 211,846,064,716.22
  5. Step 5: Solve for x
    x = 211,846,064,716.22/531,969.30
  6. Step 6: Final answer
    x = 398,229.87

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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.