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Finding the Fourth Proportional to 531,840.80, 797,809.80 and 216,232.40

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Solution

The fourth proportional to 531,840.80, 797,809.80 and 216,232.40 is: 324,368.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,840.80 : 797,809.80 = 216,232.40 : x
  2. Step 2: Convert to fraction form
    531,840.80/797,809.80 = 216,232.40/x
  3. Step 3: Cross multiply
    531,840.80x = 797,809.80 × 216,232.40
  4. Step 4: Simplify right side
    531,840.80x = 172,512,327,797.52
  5. Step 5: Solve for x
    x = 172,512,327,797.52/531,840.80
  6. Step 6: Final answer
    x = 324,368.36

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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.