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Finding the Fourth Proportional to 356,824.80, 534,783.60 and 146,224.80

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Solution

The fourth proportional to 356,824.80, 534,783.60 and 146,224.80 is: 219,151.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,824.80 : 534,783.60 = 146,224.80 : x
  2. Step 2: Convert to fraction form
    356,824.80/534,783.60 = 146,224.80/x
  3. Step 3: Cross multiply
    356,824.80x = 534,783.60 × 146,224.80
  4. Step 4: Simplify right side
    356,824.80x = 78,198,624,953.28
  5. Step 5: Solve for x
    x = 78,198,624,953.28/356,824.80
  6. Step 6: Final answer
    x = 219,151.32

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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.