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Finding the Fourth Proportional to 619,010.68, 848,671.56 and 607,813.24

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Solution

The fourth proportional to 619,010.68, 848,671.56 and 607,813.24 is: 833,319.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,010.68 : 848,671.56 = 607,813.24 : x
  2. Step 2: Convert to fraction form
    619,010.68/848,671.56 = 607,813.24/x
  3. Step 3: Cross multiply
    619,010.68x = 848,671.56 × 607,813.24
  4. Step 4: Simplify right side
    619,010.68x = 515,833,810,579.45
  5. Step 5: Solve for x
    x = 515,833,810,579.45/619,010.68
  6. Step 6: Final answer
    x = 833,319.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.