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Finding the Fourth Proportional to 539,997.50, 745,093.49 and 325,151.48

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Solution

The fourth proportional to 539,997.50, 745,093.49 and 325,151.48 is: 448,646.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,997.50 : 745,093.49 = 325,151.48 : x
  2. Step 2: Convert to fraction form
    539,997.50/745,093.49 = 325,151.48/x
  3. Step 3: Cross multiply
    539,997.50x = 745,093.49 × 325,151.48
  4. Step 4: Simplify right side
    539,997.50x = 242,268,251,248.84
  5. Step 5: Solve for x
    x = 242,268,251,248.84/539,997.50
  6. Step 6: Final answer
    x = 448,646.98

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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.