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Finding the Fourth Proportional to 539,066.76, 744,151.24 and 348,173.25

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Solution

The fourth proportional to 539,066.76, 744,151.24 and 348,173.25 is: 480,633.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,066.76 : 744,151.24 = 348,173.25 : x
  2. Step 2: Convert to fraction form
    539,066.76/744,151.24 = 348,173.25/x
  3. Step 3: Cross multiply
    539,066.76x = 744,151.24 × 348,173.25
  4. Step 4: Simplify right side
    539,066.76x = 259,093,554,851.90
  5. Step 5: Solve for x
    x = 259,093,554,851.90/539,066.76
  6. Step 6: Final answer
    x = 480,633.52

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Double scale
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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.