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Finding the Fourth Proportional to 650,611.42, 975,955.40 and 251,254.28

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Solution

The fourth proportional to 650,611.42, 975,955.40 and 251,254.28 is: 376,896.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,611.42 : 975,955.40 = 251,254.28 : x
  2. Step 2: Convert to fraction form
    650,611.42/975,955.40 = 251,254.28/x
  3. Step 3: Cross multiply
    650,611.42x = 975,955.40 × 251,254.28
  4. Step 4: Simplify right side
    650,611.42x = 245,212,971,339.11
  5. Step 5: Solve for x
    x = 245,212,971,339.11/650,611.42
  6. Step 6: Final answer
    x = 376,896.20

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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.