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Finding the Fourth Proportional to 561,894.30, 774,894.60 and 380,869.02

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Solution

The fourth proportional to 561,894.30, 774,894.60 and 380,869.02 is: 525,247.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,894.30 : 774,894.60 = 380,869.02 : x
  2. Step 2: Convert to fraction form
    561,894.30/774,894.60 = 380,869.02/x
  3. Step 3: Cross multiply
    561,894.30x = 774,894.60 × 380,869.02
  4. Step 4: Simplify right side
    561,894.30x = 295,133,346,905.29
  5. Step 5: Solve for x
    x = 295,133,346,905.29/561,894.30
  6. Step 6: Final answer
    x = 525,247.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.