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Finding the Fourth Proportional to 316,511.83, 474,250.15 and 304,702.03

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Solution

The fourth proportional to 316,511.83, 474,250.15 and 304,702.03 is: 456,554.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,511.83 : 474,250.15 = 304,702.03 : x
  2. Step 2: Convert to fraction form
    316,511.83/474,250.15 = 304,702.03/x
  3. Step 3: Cross multiply
    316,511.83x = 474,250.15 × 304,702.03
  4. Step 4: Simplify right side
    316,511.83x = 144,504,983,432.81
  5. Step 5: Solve for x
    x = 144,504,983,432.81/316,511.83
  6. Step 6: Final answer
    x = 456,554.76

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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.