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Finding the Fourth Proportional to 539,809.32, 744,936.66 and 298,092.36

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Solution

The fourth proportional to 539,809.32, 744,936.66 and 298,092.36 is: 411,367.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,809.32 : 744,936.66 = 298,092.36 : x
  2. Step 2: Convert to fraction form
    539,809.32/744,936.66 = 298,092.36/x
  3. Step 3: Cross multiply
    539,809.32x = 744,936.66 × 298,092.36
  4. Step 4: Simplify right side
    539,809.32x = 222,059,927,029.92
  5. Step 5: Solve for x
    x = 222,059,927,029.92/539,809.32
  6. Step 6: Final answer
    x = 411,367.35

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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.