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Finding the Fourth Proportional to 302,173.34, 417,141.80 and 191,847.39

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Solution

The fourth proportional to 302,173.34, 417,141.80 and 191,847.39 is: 264,839.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,173.34 : 417,141.80 = 191,847.39 : x
  2. Step 2: Convert to fraction form
    302,173.34/417,141.80 = 191,847.39/x
  3. Step 3: Cross multiply
    302,173.34x = 417,141.80 × 191,847.39
  4. Step 4: Simplify right side
    302,173.34x = 80,027,563,785.81
  5. Step 5: Solve for x
    x = 80,027,563,785.81/302,173.34
  6. Step 6: Final answer
    x = 264,839.93

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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.