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Finding the Fourth Proportional to 272,758.04, 376,379.14 and 151,910.57

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Solution

The fourth proportional to 272,758.04, 376,379.14 and 151,910.57 is: 209,621.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,758.04 : 376,379.14 = 151,910.57 : x
  2. Step 2: Convert to fraction form
    272,758.04/376,379.14 = 151,910.57/x
  3. Step 3: Cross multiply
    272,758.04x = 376,379.14 × 151,910.57
  4. Step 4: Simplify right side
    272,758.04x = 57,175,969,693.51
  5. Step 5: Solve for x
    x = 57,175,969,693.51/272,758.04
  6. Step 6: Final answer
    x = 209,621.57

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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.