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Finding the Fourth Proportional to 271,905.35, 407,858.03 and 94,430.30

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Solution

The fourth proportional to 271,905.35, 407,858.03 and 94,430.30 is: 141,645.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,905.35 : 407,858.03 = 94,430.30 : x
  2. Step 2: Convert to fraction form
    271,905.35/407,858.03 = 94,430.30/x
  3. Step 3: Cross multiply
    271,905.35x = 407,858.03 × 94,430.30
  4. Step 4: Simplify right side
    271,905.35x = 38,514,156,130.31
  5. Step 5: Solve for x
    x = 38,514,156,130.31/271,905.35
  6. Step 6: Final answer
    x = 141,645.45

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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.