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Finding the Fourth Proportional to 268,605.04, 370,675.74 and 147,758.68

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Solution

The fourth proportional to 268,605.04, 370,675.74 and 147,758.68 is: 203,907.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,605.04 : 370,675.74 = 147,758.68 : x
  2. Step 2: Convert to fraction form
    268,605.04/370,675.74 = 147,758.68/x
  3. Step 3: Cross multiply
    268,605.04x = 370,675.74 × 147,758.68
  4. Step 4: Simplify right side
    268,605.04x = 54,770,558,050.42
  5. Step 5: Solve for x
    x = 54,770,558,050.42/268,605.04
  6. Step 6: Final answer
    x = 203,907.41

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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.