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Finding the Fourth Proportional to 531,355.34, 797,043.94 and 215,596.28

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Solution

The fourth proportional to 531,355.34, 797,043.94 and 215,596.28 is: 323,398.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,355.34 : 797,043.94 = 215,596.28 : x
  2. Step 2: Convert to fraction form
    531,355.34/797,043.94 = 215,596.28/x
  3. Step 3: Cross multiply
    531,355.34x = 797,043.94 × 215,596.28
  4. Step 4: Simplify right side
    531,355.34x = 171,839,708,460.54
  5. Step 5: Solve for x
    x = 171,839,708,460.54/531,355.34
  6. Step 6: Final answer
    x = 323,398.85

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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.