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Finding the Fourth Proportional to 330,192.15, 495,323.00 and 105,499.77

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Solution

The fourth proportional to 330,192.15, 495,323.00 and 105,499.77 is: 158,260.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,192.15 : 495,323.00 = 105,499.77 : x
  2. Step 2: Convert to fraction form
    330,192.15/495,323.00 = 105,499.77/x
  3. Step 3: Cross multiply
    330,192.15x = 495,323.00 × 105,499.77
  4. Step 4: Simplify right side
    330,192.15x = 52,256,460,586.37
  5. Step 5: Solve for x
    x = 52,256,460,586.37/330,192.15
  6. Step 6: Final answer
    x = 158,260.76

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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.