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Finding the Fourth Proportional to 272,767.34, 376,412.42 and 151,905.94

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Solution

The fourth proportional to 272,767.34, 376,412.42 and 151,905.94 is: 209,626.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,767.34 : 376,412.42 = 151,905.94 : x
  2. Step 2: Convert to fraction form
    272,767.34/376,412.42 = 151,905.94/x
  3. Step 3: Cross multiply
    272,767.34x = 376,412.42 × 151,905.94
  4. Step 4: Simplify right side
    272,767.34x = 57,179,282,487.77
  5. Step 5: Solve for x
    x = 57,179,282,487.77/272,767.34
  6. Step 6: Final answer
    x = 209,626.57

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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.