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Finding the Fourth Proportional to 569,042.82, 785,361.35 and 339,609.85

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Solution

The fourth proportional to 569,042.82, 785,361.35 and 339,609.85 is: 468,710.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,042.82 : 785,361.35 = 339,609.85 : x
  2. Step 2: Convert to fraction form
    569,042.82/785,361.35 = 339,609.85/x
  3. Step 3: Cross multiply
    569,042.82x = 785,361.35 × 339,609.85
  4. Step 4: Simplify right side
    569,042.82x = 266,716,449,154.92
  5. Step 5: Solve for x
    x = 266,716,449,154.92/569,042.82
  6. Step 6: Final answer
    x = 468,710.68

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1.5x scale

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.