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Finding the Fourth Proportional to 491,702.18, 737,664.23 and 150,176.21

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Solution

The fourth proportional to 491,702.18, 737,664.23 and 150,176.21 is: 225,298.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,702.18 : 737,664.23 = 150,176.21 : x
  2. Step 2: Convert to fraction form
    491,702.18/737,664.23 = 150,176.21/x
  3. Step 3: Cross multiply
    491,702.18x = 737,664.23 × 150,176.21
  4. Step 4: Simplify right side
    491,702.18x = 110,779,615,001.09
  5. Step 5: Solve for x
    x = 110,779,615,001.09/491,702.18
  6. Step 6: Final answer
    x = 225,298.20

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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.