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Finding the Fourth Proportional to 456,210.32, 629,559 and 252,256.05

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Solution

The fourth proportional to 456,210.32, 629,559 and 252,256.05 is: 348,107.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,210.32 : 629,559 = 252,256.05 : x
  2. Step 2: Convert to fraction form
    456,210.32/629,559 = 252,256.05/x
  3. Step 3: Cross multiply
    456,210.32x = 629,559 × 252,256.05
  4. Step 4: Simplify right side
    456,210.32x = 158,810,066,581.95
  5. Step 5: Solve for x
    x = 158,810,066,581.95/456,210.32
  6. Step 6: Final answer
    x = 348,107.14

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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.