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Finding the Fourth Proportional to 316,693.01, 437,031.94 and 180,770.06

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Solution

The fourth proportional to 316,693.01, 437,031.94 and 180,770.06 is: 249,460.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,693.01 : 437,031.94 = 180,770.06 : x
  2. Step 2: Convert to fraction form
    316,693.01/437,031.94 = 180,770.06/x
  3. Step 3: Cross multiply
    316,693.01x = 437,031.94 × 180,770.06
  4. Step 4: Simplify right side
    316,693.01x = 79,002,290,015.72
  5. Step 5: Solve for x
    x = 79,002,290,015.72/316,693.01
  6. Step 6: Final answer
    x = 249,460.16

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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.