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Finding the Fourth Proportional to 570,990.56, 787,909.22 and 341,502.26

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Solution

The fourth proportional to 570,990.56, 787,909.22 and 341,502.26 is: 471,238.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,990.56 : 787,909.22 = 341,502.26 : x
  2. Step 2: Convert to fraction form
    570,990.56/787,909.22 = 341,502.26/x
  3. Step 3: Cross multiply
    570,990.56x = 787,909.22 × 341,502.26
  4. Step 4: Simplify right side
    570,990.56x = 269,072,773,657.78
  5. Step 5: Solve for x
    x = 269,072,773,657.78/570,990.56
  6. Step 6: Final answer
    x = 471,238.57

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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.