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Finding the Fourth Proportional to 681,511.46, 940,492.25 and 375,598.88

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Solution

The fourth proportional to 681,511.46, 940,492.25 and 375,598.88 is: 518,330.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,511.46 : 940,492.25 = 375,598.88 : x
  2. Step 2: Convert to fraction form
    681,511.46/940,492.25 = 375,598.88/x
  3. Step 3: Cross multiply
    681,511.46x = 940,492.25 × 375,598.88
  4. Step 4: Simplify right side
    681,511.46x = 353,247,835,748.68
  5. Step 5: Solve for x
    x = 353,247,835,748.68/681,511.46
  6. Step 6: Final answer
    x = 518,330.00

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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.