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Finding the Fourth Proportional to 505,212.53, 696,009.00 and 351,973.54

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Solution

The fourth proportional to 505,212.53, 696,009.00 and 351,973.54 is: 484,898.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,212.53 : 696,009.00 = 351,973.54 : x
  2. Step 2: Convert to fraction form
    505,212.53/696,009.00 = 351,973.54/x
  3. Step 3: Cross multiply
    505,212.53x = 696,009.00 × 351,973.54
  4. Step 4: Simplify right side
    505,212.53x = 244,976,750,822.00
  5. Step 5: Solve for x
    x = 244,976,750,822.00/505,212.53
  6. Step 6: Final answer
    x = 484,898.41

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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.