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Finding the Fourth Proportional to 360,670.48, 497,720.96 and 199,512.88

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Solution

The fourth proportional to 360,670.48, 497,720.96 and 199,512.88 is: 275,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,670.48 : 497,720.96 = 199,512.88 : x
  2. Step 2: Convert to fraction form
    360,670.48/497,720.96 = 199,512.88/x
  3. Step 3: Cross multiply
    360,670.48x = 497,720.96 × 199,512.88
  4. Step 4: Simplify right side
    360,670.48x = 99,301,742,165.96
  5. Step 5: Solve for x
    x = 99,301,742,165.96/360,670.48
  6. Step 6: Final answer
    x = 275,325.39

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1.5x scale

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.