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Finding the Fourth Proportional to 384,124.60, 576,186.90 and 303,945.40

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Solution

The fourth proportional to 384,124.60, 576,186.90 and 303,945.40 is: 455,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,124.60 : 576,186.90 = 303,945.40 : x
  2. Step 2: Convert to fraction form
    384,124.60/576,186.90 = 303,945.40/x
  3. Step 3: Cross multiply
    384,124.60x = 576,186.90 × 303,945.40
  4. Step 4: Simplify right side
    384,124.60x = 175,129,357,795.26
  5. Step 5: Solve for x
    x = 175,129,357,795.26/384,124.60
  6. Step 6: Final answer
    x = 455,918.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.