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Finding the Fourth Proportional to 331,571.76, 497,406.87 and 118,323.06

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Solution

The fourth proportional to 331,571.76, 497,406.87 and 118,323.06 is: 177,502.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,571.76 : 497,406.87 = 118,323.06 : x
  2. Step 2: Convert to fraction form
    331,571.76/497,406.87 = 118,323.06/x
  3. Step 3: Cross multiply
    331,571.76x = 497,406.87 × 118,323.06
  4. Step 4: Simplify right side
    331,571.76x = 58,854,702,923.42
  5. Step 5: Solve for x
    x = 58,854,702,923.42/331,571.76
  6. Step 6: Final answer
    x = 177,502.16

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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.