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Finding the Fourth Proportional to 313,298.54, 432,352.32 and 170,058.56

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Solution

The fourth proportional to 313,298.54, 432,352.32 and 170,058.56 is: 234,680.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,298.54 : 432,352.32 = 170,058.56 : x
  2. Step 2: Convert to fraction form
    313,298.54/432,352.32 = 170,058.56/x
  3. Step 3: Cross multiply
    313,298.54x = 432,352.32 × 170,058.56
  4. Step 4: Simplify right side
    313,298.54x = 73,525,212,951.86
  5. Step 5: Solve for x
    x = 73,525,212,951.86/313,298.54
  6. Step 6: Final answer
    x = 234,680.99

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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.