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Finding the Fourth Proportional to 650,526.32, 897,820.25 and 374,831.39

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Solution

The fourth proportional to 650,526.32, 897,820.25 and 374,831.39 is: 517,321.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,526.32 : 897,820.25 = 374,831.39 : x
  2. Step 2: Convert to fraction form
    650,526.32/897,820.25 = 374,831.39/x
  3. Step 3: Cross multiply
    650,526.32x = 897,820.25 × 374,831.39
  4. Step 4: Simplify right side
    650,526.32x = 336,531,212,648.04
  5. Step 5: Solve for x
    x = 336,531,212,648.04/650,526.32
  6. Step 6: Final answer
    x = 517,321.44

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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.