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Finding the Fourth Proportional to 539,090.24, 744,183.65 and 348,196.73

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Solution

The fourth proportional to 539,090.24, 744,183.65 and 348,196.73 is: 480,665.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,090.24 : 744,183.65 = 348,196.73 : x
  2. Step 2: Convert to fraction form
    539,090.24/744,183.65 = 348,196.73/x
  3. Step 3: Cross multiply
    539,090.24x = 744,183.65 × 348,196.73
  4. Step 4: Simplify right side
    539,090.24x = 259,122,312,826.47
  5. Step 5: Solve for x
    x = 259,122,312,826.47/539,090.24
  6. Step 6: Final answer
    x = 480,665.93

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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.