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Finding the Fourth Proportional to 377,130.40, 565,695.60 and 293,149.60

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Solution

The fourth proportional to 377,130.40, 565,695.60 and 293,149.60 is: 439,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,130.40 : 565,695.60 = 293,149.60 : x
  2. Step 2: Convert to fraction form
    377,130.40/565,695.60 = 293,149.60/x
  3. Step 3: Cross multiply
    377,130.40x = 565,695.60 × 293,149.60
  4. Step 4: Simplify right side
    377,130.40x = 165,833,438,861.76
  5. Step 5: Solve for x
    x = 165,833,438,861.76/377,130.40
  6. Step 6: Final answer
    x = 439,724.40

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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.