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Finding the Fourth Proportional to 291,953.49, 402,895.26 and 162,884.28

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Solution

The fourth proportional to 291,953.49, 402,895.26 and 162,884.28 is: 224,780.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,953.49 : 402,895.26 = 162,884.28 : x
  2. Step 2: Convert to fraction form
    291,953.49/402,895.26 = 162,884.28/x
  3. Step 3: Cross multiply
    291,953.49x = 402,895.26 × 162,884.28
  4. Step 4: Simplify right side
    291,953.49x = 65,625,304,796.53
  5. Step 5: Solve for x
    x = 65,625,304,796.53/291,953.49
  6. Step 6: Final answer
    x = 224,780.00

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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.