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Finding the Fourth Proportional to 313,360.08, 432,436.92 and 170,119.92

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Solution

The fourth proportional to 313,360.08, 432,436.92 and 170,119.92 is: 234,765.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,360.08 : 432,436.92 = 170,119.92 : x
  2. Step 2: Convert to fraction form
    313,360.08/432,436.92 = 170,119.92/x
  3. Step 3: Cross multiply
    313,360.08x = 432,436.92 × 170,119.92
  4. Step 4: Simplify right side
    313,360.08x = 73,566,134,235.45
  5. Step 5: Solve for x
    x = 73,566,134,235.45/313,360.08
  6. Step 6: Final answer
    x = 234,765.49

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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.