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Finding the Fourth Proportional to 366,905.70, 549,702.45 and 310,481.10

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Solution

The fourth proportional to 366,905.70, 549,702.45 and 310,481.10 is: 465,166.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,905.70 : 549,702.45 = 310,481.10 : x
  2. Step 2: Convert to fraction form
    366,905.70/549,702.45 = 310,481.10/x
  3. Step 3: Cross multiply
    366,905.70x = 549,702.45 × 310,481.10
  4. Step 4: Simplify right side
    366,905.70x = 170,672,221,348.70
  5. Step 5: Solve for x
    x = 170,672,221,348.70/366,905.70
  6. Step 6: Final answer
    x = 465,166.45

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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.