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Finding the Fourth Proportional to 268,482.30, 370,506.96 and 147,631.38

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Solution

The fourth proportional to 268,482.30, 370,506.96 and 147,631.38 is: 203,732.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,482.30 : 370,506.96 = 147,631.38 : x
  2. Step 2: Convert to fraction form
    268,482.30/370,506.96 = 147,631.38/x
  3. Step 3: Cross multiply
    268,482.30x = 370,506.96 × 147,631.38
  4. Step 4: Simplify right side
    268,482.30x = 54,698,453,804.40
  5. Step 5: Solve for x
    x = 54,698,453,804.40/268,482.30
  6. Step 6: Final answer
    x = 203,732.07

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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.