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Finding the Fourth Proportional to 531,953.20, 797,264.52 and 265,788.64

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Solution

The fourth proportional to 531,953.20, 797,264.52 and 265,788.64 is: 398,350.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,953.20 : 797,264.52 = 265,788.64 : x
  2. Step 2: Convert to fraction form
    531,953.20/797,264.52 = 265,788.64/x
  3. Step 3: Cross multiply
    531,953.20x = 797,264.52 × 265,788.64
  4. Step 4: Simplify right side
    531,953.20x = 211,903,852,491.05
  5. Step 5: Solve for x
    x = 211,903,852,491.05/531,953.20
  6. Step 6: Final answer
    x = 398,350.56

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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.