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Finding the Fourth Proportional to 303,957.55, 455,884.62 and 101,530.72

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Solution

The fourth proportional to 303,957.55, 455,884.62 and 101,530.72 is: 152,278.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,957.55 : 455,884.62 = 101,530.72 : x
  2. Step 2: Convert to fraction form
    303,957.55/455,884.62 = 101,530.72/x
  3. Step 3: Cross multiply
    303,957.55x = 455,884.62 × 101,530.72
  4. Step 4: Simplify right side
    303,957.55x = 46,286,293,705.53
  5. Step 5: Solve for x
    x = 46,286,293,705.53/303,957.55
  6. Step 6: Final answer
    x = 152,278.81

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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.