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Finding the Fourth Proportional to 313,416.83, 432,503.09 and 170,173.59

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Solution

The fourth proportional to 313,416.83, 432,503.09 and 170,173.59 is: 234,832.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,416.83 : 432,503.09 = 170,173.59 : x
  2. Step 2: Convert to fraction form
    313,416.83/432,503.09 = 170,173.59/x
  3. Step 3: Cross multiply
    313,416.83x = 432,503.09 × 170,173.59
  4. Step 4: Simplify right side
    313,416.83x = 73,600,602,660.53
  5. Step 5: Solve for x
    x = 73,600,602,660.53/313,416.83
  6. Step 6: Final answer
    x = 234,832.97

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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.