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Finding the Fourth Proportional to 650,720.49, 898,003.44 and 374,925.92

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Solution

The fourth proportional to 650,720.49, 898,003.44 and 374,925.92 is: 517,403.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,720.49 : 898,003.44 = 374,925.92 : x
  2. Step 2: Convert to fraction form
    650,720.49/898,003.44 = 374,925.92/x
  3. Step 3: Cross multiply
    650,720.49x = 898,003.44 × 374,925.92
  4. Step 4: Simplify right side
    650,720.49x = 336,684,761,415.15
  5. Step 5: Solve for x
    x = 336,684,761,415.15/650,720.49
  6. Step 6: Final answer
    x = 517,403.05

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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.