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Finding the Fourth Proportional to 303,579.20, 455,368.80 and 93,227.60

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Solution

The fourth proportional to 303,579.20, 455,368.80 and 93,227.60 is: 139,841.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,579.20 : 455,368.80 = 93,227.60 : x
  2. Step 2: Convert to fraction form
    303,579.20/455,368.80 = 93,227.60/x
  3. Step 3: Cross multiply
    303,579.20x = 455,368.80 × 93,227.60
  4. Step 4: Simplify right side
    303,579.20x = 42,452,940,338.88
  5. Step 5: Solve for x
    x = 42,452,940,338.88/303,579.20
  6. Step 6: Final answer
    x = 139,841.40

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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.