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Finding the Fourth Proportional to 303,847.20, 455,492.16 and 116,717.76

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Solution

The fourth proportional to 303,847.20, 455,492.16 and 116,717.76 is: 174,969.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,847.20 : 455,492.16 = 116,717.76 : x
  2. Step 2: Convert to fraction form
    303,847.20/455,492.16 = 116,717.76/x
  3. Step 3: Cross multiply
    303,847.20x = 455,492.16 × 116,717.76
  4. Step 4: Simplify right side
    303,847.20x = 53,164,024,612.76
  5. Step 5: Solve for x
    x = 53,164,024,612.76/303,847.20
  6. Step 6: Final answer
    x = 174,969.61

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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.