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Finding the Fourth Proportional to 303,607.76, 455,467.12 and 151,884.18

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Solution

The fourth proportional to 303,607.76, 455,467.12 and 151,884.18 is: 227,854.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,607.76 : 455,467.12 = 151,884.18 : x
  2. Step 2: Convert to fraction form
    303,607.76/455,467.12 = 151,884.18/x
  3. Step 3: Cross multiply
    303,607.76x = 455,467.12 × 151,884.18
  4. Step 4: Simplify right side
    303,607.76x = 69,178,250,038.16
  5. Step 5: Solve for x
    x = 69,178,250,038.16/303,607.76
  6. Step 6: Final answer
    x = 227,854.02

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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.