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Finding the Fourth Proportional to 303,683.80, 455,234.10 and 236,178.40

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Solution

The fourth proportional to 303,683.80, 455,234.10 and 236,178.40 is: 354,040.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,683.80 : 455,234.10 = 236,178.40 : x
  2. Step 2: Convert to fraction form
    303,683.80/455,234.10 = 236,178.40/x
  3. Step 3: Cross multiply
    303,683.80x = 455,234.10 × 236,178.40
  4. Step 4: Simplify right side
    303,683.80x = 107,516,461,363.44
  5. Step 5: Solve for x
    x = 107,516,461,363.44/303,683.80
  6. Step 6: Final answer
    x = 354,040.82

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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.