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Finding the Fourth Proportional to 303,577.60, 455,366.40 and 116,593.60

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Solution

The fourth proportional to 303,577.60, 455,366.40 and 116,593.60 is: 174,890.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,577.60 : 455,366.40 = 116,593.60 : x
  2. Step 2: Convert to fraction form
    303,577.60/455,366.40 = 116,593.60/x
  3. Step 3: Cross multiply
    303,577.60x = 455,366.40 × 116,593.60
  4. Step 4: Simplify right side
    303,577.60x = 53,092,807,895.04
  5. Step 5: Solve for x
    x = 53,092,807,895.04/303,577.60
  6. Step 6: Final answer
    x = 174,890.40

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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.