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Finding the Fourth Proportional to 573,062.22, 859,697.06 and 188,831.56

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Solution

The fourth proportional to 573,062.22, 859,697.06 and 188,831.56 is: 283,281.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,062.22 : 859,697.06 = 188,831.56 : x
  2. Step 2: Convert to fraction form
    573,062.22/859,697.06 = 188,831.56/x
  3. Step 3: Cross multiply
    573,062.22x = 859,697.06 × 188,831.56
  4. Step 4: Simplify right side
    573,062.22x = 162,337,936,967.21
  5. Step 5: Solve for x
    x = 162,337,936,967.21/573,062.22
  6. Step 6: Final answer
    x = 283,281.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.