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Finding the Fourth Proportional to 457,361.40, 631,159.02 and 250,628.88

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Solution

The fourth proportional to 457,361.40, 631,159.02 and 250,628.88 is: 345,868.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,361.40 : 631,159.02 = 250,628.88 : x
  2. Step 2: Convert to fraction form
    457,361.40/631,159.02 = 250,628.88/x
  3. Step 3: Cross multiply
    457,361.40x = 631,159.02 × 250,628.88
  4. Step 4: Simplify right side
    457,361.40x = 158,186,678,284.50
  5. Step 5: Solve for x
    x = 158,186,678,284.50/457,361.40
  6. Step 6: Final answer
    x = 345,868.01

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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.