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Finding the Fourth Proportional to 303,521.86, 455,332.20 and 113,996.98

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Solution

The fourth proportional to 303,521.86, 455,332.20 and 113,996.98 is: 171,014.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,521.86 : 455,332.20 = 113,996.98 : x
  2. Step 2: Convert to fraction form
    303,521.86/455,332.20 = 113,996.98/x
  3. Step 3: Cross multiply
    303,521.86x = 455,332.20 × 113,996.98
  4. Step 4: Simplify right side
    303,521.86x = 51,906,495,696.76
  5. Step 5: Solve for x
    x = 51,906,495,696.76/303,521.86
  6. Step 6: Final answer
    x = 171,014.03

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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.