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Finding the Fourth Proportional to 616,189.56, 850,325.93 and 344,259.50

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Solution

The fourth proportional to 616,189.56, 850,325.93 and 344,259.50 is: 475,069.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,189.56 : 850,325.93 = 344,259.50 : x
  2. Step 2: Convert to fraction form
    616,189.56/850,325.93 = 344,259.50/x
  3. Step 3: Cross multiply
    616,189.56x = 850,325.93 × 344,259.50
  4. Step 4: Simplify right side
    616,189.56x = 292,732,780,361.82
  5. Step 5: Solve for x
    x = 292,732,780,361.82/616,189.56
  6. Step 6: Final answer
    x = 475,069.36

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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.