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Finding the Fourth Proportional to 272,758.55, 376,379.84 and 151,911.08

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Solution

The fourth proportional to 272,758.55, 376,379.84 and 151,911.08 is: 209,622.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,758.55 : 376,379.84 = 151,911.08 : x
  2. Step 2: Convert to fraction form
    272,758.55/376,379.84 = 151,911.08/x
  3. Step 3: Cross multiply
    272,758.55x = 376,379.84 × 151,911.08
  4. Step 4: Simplify right side
    272,758.55x = 57,176,265,343.17
  5. Step 5: Solve for x
    x = 57,176,265,343.17/272,758.55
  6. Step 6: Final answer
    x = 209,622.27

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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.