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Finding the Fourth Proportional to 526,892.85, 790,340.49 and 303,711.93

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Solution

The fourth proportional to 526,892.85, 790,340.49 and 303,711.93 is: 455,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,892.85 : 790,340.49 = 303,711.93 : x
  2. Step 2: Convert to fraction form
    526,892.85/790,340.49 = 303,711.93/x
  3. Step 3: Cross multiply
    526,892.85x = 790,340.49 × 303,711.93
  4. Step 4: Simplify right side
    526,892.85x = 240,035,835,575.05
  5. Step 5: Solve for x
    x = 240,035,835,575.05/526,892.85
  6. Step 6: Final answer
    x = 455,568.60

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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.