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Finding the Fourth Proportional to 268,437.63, 370,434.48 and 147,578.04

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Solution

The fourth proportional to 268,437.63, 370,434.48 and 147,578.04 is: 203,652.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,437.63 : 370,434.48 = 147,578.04 : x
  2. Step 2: Convert to fraction form
    268,437.63/370,434.48 = 147,578.04/x
  3. Step 3: Cross multiply
    268,437.63x = 370,434.48 × 147,578.04
  4. Step 4: Simplify right side
    268,437.63x = 54,667,994,506.82
  5. Step 5: Solve for x
    x = 54,667,994,506.82/268,437.63
  6. Step 6: Final answer
    x = 203,652.50

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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.