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Finding the Fourth Proportional to 576,703.68, 795,918.72 and 479,736.32

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Solution

The fourth proportional to 576,703.68, 795,918.72 and 479,736.32 is: 662,092.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,703.68 : 795,918.72 = 479,736.32 : x
  2. Step 2: Convert to fraction form
    576,703.68/795,918.72 = 479,736.32/x
  3. Step 3: Cross multiply
    576,703.68x = 795,918.72 × 479,736.32
  4. Step 4: Simplify right side
    576,703.68x = 381,831,117,751.91
  5. Step 5: Solve for x
    x = 381,831,117,751.91/576,703.68
  6. Step 6: Final answer
    x = 662,092.39

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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.