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Finding the Fourth Proportional to 683,609.58, 942,768.32 and 569,266.85

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Solution

The fourth proportional to 683,609.58, 942,768.32 and 569,266.85 is: 785,077.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,609.58 : 942,768.32 = 569,266.85 : x
  2. Step 2: Convert to fraction form
    683,609.58/942,768.32 = 569,266.85/x
  3. Step 3: Cross multiply
    683,609.58x = 942,768.32 × 569,266.85
  4. Step 4: Simplify right side
    683,609.58x = 536,686,751,316.78
  5. Step 5: Solve for x
    x = 536,686,751,316.78/683,609.58
  6. Step 6: Final answer
    x = 785,077.87

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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.