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Finding the Fourth Proportional to 492,714.90, 739,072.35 and 160,290.90

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Solution

The fourth proportional to 492,714.90, 739,072.35 and 160,290.90 is: 240,436.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,714.90 : 739,072.35 = 160,290.90 : x
  2. Step 2: Convert to fraction form
    492,714.90/739,072.35 = 160,290.90/x
  3. Step 3: Cross multiply
    492,714.90x = 739,072.35 × 160,290.90
  4. Step 4: Simplify right side
    492,714.90x = 118,466,572,146.62
  5. Step 5: Solve for x
    x = 118,466,572,146.62/492,714.90
  6. Step 6: Final answer
    x = 240,436.35

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Similar ratio
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1.5x scale

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.