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Finding the Fourth Proportional to 539,066.01, 744,150.20 and 348,172.50

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Solution

The fourth proportional to 539,066.01, 744,150.20 and 348,172.50 is: 480,632.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,066.01 : 744,150.20 = 348,172.50 : x
  2. Step 2: Convert to fraction form
    539,066.01/744,150.20 = 348,172.50/x
  3. Step 3: Cross multiply
    539,066.01x = 744,150.20 × 348,172.50
  4. Step 4: Simplify right side
    539,066.01x = 259,092,633,589.37
  5. Step 5: Solve for x
    x = 259,092,633,589.37/539,066.01
  6. Step 6: Final answer
    x = 480,632.48

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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.