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Finding the Fourth Proportional to 316,765.22, 437,026.73 and 180,701.01

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Solution

The fourth proportional to 316,765.22, 437,026.73 and 180,701.01 is: 249,305.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,765.22 : 437,026.73 = 180,701.01 : x
  2. Step 2: Convert to fraction form
    316,765.22/437,026.73 = 180,701.01/x
  3. Step 3: Cross multiply
    316,765.22x = 437,026.73 × 180,701.01
  4. Step 4: Simplify right side
    316,765.22x = 78,971,170,604.49
  5. Step 5: Solve for x
    x = 78,971,170,604.49/316,765.22
  6. Step 6: Final answer
    x = 249,305.06

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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.