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Finding the Fourth Proportional to 316,772.81, 437,177.82 and 180,827.18

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Solution

The fourth proportional to 316,772.81, 437,177.82 and 180,827.18 is: 249,559.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,772.81 : 437,177.82 = 180,827.18 : x
  2. Step 2: Convert to fraction form
    316,772.81/437,177.82 = 180,827.18/x
  3. Step 3: Cross multiply
    316,772.81x = 437,177.82 × 180,827.18
  4. Step 4: Simplify right side
    316,772.81x = 79,053,634,939.90
  5. Step 5: Solve for x
    x = 79,053,634,939.90/316,772.81
  6. Step 6: Final answer
    x = 249,559.41

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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.