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Finding the Fourth Proportional to 416,845.31, 575,444.86 and 279,261.14

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Solution

The fourth proportional to 416,845.31, 575,444.86 and 279,261.14 is: 385,513.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,845.31 : 575,444.86 = 279,261.14 : x
  2. Step 2: Convert to fraction form
    416,845.31/575,444.86 = 279,261.14/x
  3. Step 3: Cross multiply
    416,845.31x = 575,444.86 × 279,261.14
  4. Step 4: Simplify right side
    416,845.31x = 160,699,384,035.36
  5. Step 5: Solve for x
    x = 160,699,384,035.36/416,845.31
  6. Step 6: Final answer
    x = 385,513.24

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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.