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Finding the Fourth Proportional to 375,130.85, 517,680.59 and 205,364.97

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Solution

The fourth proportional to 375,130.85, 517,680.59 and 205,364.97 is: 283,403.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,130.85 : 517,680.59 = 205,364.97 : x
  2. Step 2: Convert to fraction form
    375,130.85/517,680.59 = 205,364.97/x
  3. Step 3: Cross multiply
    375,130.85x = 517,680.59 × 205,364.97
  4. Step 4: Simplify right side
    375,130.85x = 106,313,457,808.11
  5. Step 5: Solve for x
    x = 106,313,457,808.11/375,130.85
  6. Step 6: Final answer
    x = 283,403.67

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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.