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Finding the Fourth Proportional to 346,571.64, 520,057.14 and 146,876.28

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Solution

The fourth proportional to 346,571.64, 520,057.14 and 146,876.28 is: 220,399.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,571.64 : 520,057.14 = 146,876.28 : x
  2. Step 2: Convert to fraction form
    346,571.64/520,057.14 = 146,876.28/x
  3. Step 3: Cross multiply
    346,571.64x = 520,057.14 × 146,876.28
  4. Step 4: Simplify right side
    346,571.64x = 76,384,058,110.64
  5. Step 5: Solve for x
    x = 76,384,058,110.64/346,571.64
  6. Step 6: Final answer
    x = 220,399.04

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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.