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Finding the Fourth Proportional to 434,460.39, 599,384.29 and 271,021.79

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Solution

The fourth proportional to 434,460.39, 599,384.29 and 271,021.79 is: 373,903.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,460.39 : 599,384.29 = 271,021.79 : x
  2. Step 2: Convert to fraction form
    434,460.39/599,384.29 = 271,021.79/x
  3. Step 3: Cross multiply
    434,460.39x = 599,384.29 × 271,021.79
  4. Step 4: Simplify right side
    434,460.39x = 162,446,199,499.20
  5. Step 5: Solve for x
    x = 162,446,199,499.20/434,460.39
  6. Step 6: Final answer
    x = 373,903.36

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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.