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Finding the Fourth Proportional to 461,322.30, 691,983.45 and 368,010.30

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Solution

The fourth proportional to 461,322.30, 691,983.45 and 368,010.30 is: 552,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,322.30 : 691,983.45 = 368,010.30 : x
  2. Step 2: Convert to fraction form
    461,322.30/691,983.45 = 368,010.30/x
  3. Step 3: Cross multiply
    461,322.30x = 691,983.45 × 368,010.30
  4. Step 4: Simplify right side
    461,322.30x = 254,657,037,029.54
  5. Step 5: Solve for x
    x = 254,657,037,029.54/461,322.30
  6. Step 6: Final answer
    x = 552,015.45

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Similar ratio
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1.5x scale

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.