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Finding the Fourth Proportional to 330,640.16, 495,960.32 and 153,050.08

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Solution

The fourth proportional to 330,640.16, 495,960.32 and 153,050.08 is: 229,575.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,640.16 : 495,960.32 = 153,050.08 : x
  2. Step 2: Convert to fraction form
    330,640.16/495,960.32 = 153,050.08/x
  3. Step 3: Cross multiply
    330,640.16x = 495,960.32 × 153,050.08
  4. Step 4: Simplify right side
    330,640.16x = 75,906,766,652.83
  5. Step 5: Solve for x
    x = 75,906,766,652.83/330,640.16
  6. Step 6: Final answer
    x = 229,575.16

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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.