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Finding the Fourth Proportional to 424,489.96, 636,734.94 and 174,897.64

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Solution

The fourth proportional to 424,489.96, 636,734.94 and 174,897.64 is: 262,346.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,489.96 : 636,734.94 = 174,897.64 : x
  2. Step 2: Convert to fraction form
    424,489.96/636,734.94 = 174,897.64/x
  3. Step 3: Cross multiply
    424,489.96x = 636,734.94 × 174,897.64
  4. Step 4: Simplify right side
    424,489.96x = 111,363,438,311.54
  5. Step 5: Solve for x
    x = 111,363,438,311.54/424,489.96
  6. Step 6: Final answer
    x = 262,346.46

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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.