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Finding the Fourth Proportional to 354,015.51, 488,538.86 and 192,870.51

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Solution

The fourth proportional to 354,015.51, 488,538.86 and 192,870.51 is: 266,159.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,015.51 : 488,538.86 = 192,870.51 : x
  2. Step 2: Convert to fraction form
    354,015.51/488,538.86 = 192,870.51/x
  3. Step 3: Cross multiply
    354,015.51x = 488,538.86 × 192,870.51
  4. Step 4: Simplify right side
    354,015.51x = 94,224,738,118.67
  5. Step 5: Solve for x
    x = 94,224,738,118.67/354,015.51
  6. Step 6: Final answer
    x = 266,159.92

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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.