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Finding the Fourth Proportional to 303,237.80, 453,981.90 and 185,139.80

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Solution

The fourth proportional to 303,237.80, 453,981.90 and 185,139.80 is: 277,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,237.80 : 453,981.90 = 185,139.80 : x
  2. Step 2: Convert to fraction form
    303,237.80/453,981.90 = 185,139.80/x
  3. Step 3: Cross multiply
    303,237.80x = 453,981.90 × 185,139.80
  4. Step 4: Simplify right side
    303,237.80x = 84,050,118,169.62
  5. Step 5: Solve for x
    x = 84,050,118,169.62/303,237.80
  6. Step 6: Final answer
    x = 277,175.60

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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.