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Finding the Fourth Proportional to 435,753.56, 653,483.36 and 165,817.62

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Solution

The fourth proportional to 435,753.56, 653,483.36 and 165,817.62 is: 248,670.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,753.56 : 653,483.36 = 165,817.62 : x
  2. Step 2: Convert to fraction form
    435,753.56/653,483.36 = 165,817.62/x
  3. Step 3: Cross multiply
    435,753.56x = 653,483.36 × 165,817.62
  4. Step 4: Simplify right side
    435,753.56x = 108,359,055,879.35
  5. Step 5: Solve for x
    x = 108,359,055,879.35/435,753.56
  6. Step 6: Final answer
    x = 248,670.50

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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.