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Finding the Fourth Proportional to 550,530.06, 759,787.47 and 324,248.46

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Solution

The fourth proportional to 550,530.06, 759,787.47 and 324,248.46 is: 447,495.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,530.06 : 759,787.47 = 324,248.46 : x
  2. Step 2: Convert to fraction form
    550,530.06/759,787.47 = 324,248.46/x
  3. Step 3: Cross multiply
    550,530.06x = 759,787.47 × 324,248.46
  4. Step 4: Simplify right side
    550,530.06x = 246,359,917,074.80
  5. Step 5: Solve for x
    x = 246,359,917,074.80/550,530.06
  6. Step 6: Final answer
    x = 447,495.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.