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Finding the Fourth Proportional to 493,006.12, 739,619.96 and 156,066.98

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Solution

The fourth proportional to 493,006.12, 739,619.96 and 156,066.98 is: 234,135.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,006.12 : 739,619.96 = 156,066.98 : x
  2. Step 2: Convert to fraction form
    493,006.12/739,619.96 = 156,066.98/x
  3. Step 3: Cross multiply
    493,006.12x = 739,619.96 × 156,066.98
  4. Step 4: Simplify right side
    493,006.12x = 115,430,249,026.49
  5. Step 5: Solve for x
    x = 115,430,249,026.49/493,006.12
  6. Step 6: Final answer
    x = 234,135.53

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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.