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Finding the Fourth Proportional to 316,563.44, 475,101.18 and 245,317.14

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Solution

The fourth proportional to 316,563.44, 475,101.18 and 245,317.14 is: 368,174.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,563.44 : 475,101.18 = 245,317.14 : x
  2. Step 2: Convert to fraction form
    316,563.44/475,101.18 = 245,317.14/x
  3. Step 3: Cross multiply
    316,563.44x = 475,101.18 × 245,317.14
  4. Step 4: Simplify right side
    316,563.44x = 116,550,460,312.72
  5. Step 5: Solve for x
    x = 116,550,460,312.72/316,563.44
  6. Step 6: Final answer
    x = 368,174.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.