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Finding the Fourth Proportional to 259,282.60, 388,923.90 and 62,290.60

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Solution

The fourth proportional to 259,282.60, 388,923.90 and 62,290.60 is: 93,435.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,282.60 : 388,923.90 = 62,290.60 : x
  2. Step 2: Convert to fraction form
    259,282.60/388,923.90 = 62,290.60/x
  3. Step 3: Cross multiply
    259,282.60x = 388,923.90 × 62,290.60
  4. Step 4: Simplify right side
    259,282.60x = 24,226,303,085.34
  5. Step 5: Solve for x
    x = 24,226,303,085.34/259,282.60
  6. Step 6: Final answer
    x = 93,435.90

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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.