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Finding the Fourth Proportional to 238,801.74, 357,907.37 and 120,506.91

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Solution

The fourth proportional to 238,801.74, 357,907.37 and 120,506.91 is: 180,611.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,801.74 : 357,907.37 = 120,506.91 : x
  2. Step 2: Convert to fraction form
    238,801.74/357,907.37 = 120,506.91/x
  3. Step 3: Cross multiply
    238,801.74x = 357,907.37 × 120,506.91
  4. Step 4: Simplify right side
    238,801.74x = 43,130,310,622.39
  5. Step 5: Solve for x
    x = 43,130,310,622.39/238,801.74
  6. Step 6: Final answer
    x = 180,611.38

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1.5x scale

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.