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Finding the Fourth Proportional to 628,070.04, 866,711.70 and 341,589.96

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Solution

The fourth proportional to 628,070.04, 866,711.70 and 341,589.96 is: 471,380.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,070.04 : 866,711.70 = 341,589.96 : x
  2. Step 2: Convert to fraction form
    628,070.04/866,711.70 = 341,589.96/x
  3. Step 3: Cross multiply
    628,070.04x = 866,711.70 × 341,589.96
  4. Step 4: Simplify right side
    628,070.04x = 296,060,014,934.53
  5. Step 5: Solve for x
    x = 296,060,014,934.53/628,070.04
  6. Step 6: Final answer
    x = 471,380.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.