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Finding the Fourth Proportional to 303,477.84, 455,290.61 and 101,073.42

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Solution

The fourth proportional to 303,477.84, 455,290.61 and 101,073.42 is: 151,634.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,477.84 : 455,290.61 = 101,073.42 : x
  2. Step 2: Convert to fraction form
    303,477.84/455,290.61 = 101,073.42/x
  3. Step 3: Cross multiply
    303,477.84x = 455,290.61 × 101,073.42
  4. Step 4: Simplify right side
    303,477.84x = 46,017,778,541.22
  5. Step 5: Solve for x
    x = 46,017,778,541.22/303,477.84
  6. Step 6: Final answer
    x = 151,634.72

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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.