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Finding the Fourth Proportional to 377,293.96, 565,276.61 and 354,818.43

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Solution

The fourth proportional to 377,293.96, 565,276.61 and 354,818.43 is: 531,602.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,293.96 : 565,276.61 = 354,818.43 : x
  2. Step 2: Convert to fraction form
    377,293.96/565,276.61 = 354,818.43/x
  3. Step 3: Cross multiply
    377,293.96x = 565,276.61 × 354,818.43
  4. Step 4: Simplify right side
    377,293.96x = 200,570,558,167.12
  5. Step 5: Solve for x
    x = 200,570,558,167.12/377,293.96
  6. Step 6: Final answer
    x = 531,602.89

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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.