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Finding the Fourth Proportional to 613,636.04, 920,507.26 and 187,267.86

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Solution

The fourth proportional to 613,636.04, 920,507.26 and 187,267.86 is: 280,918.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,636.04 : 920,507.26 = 187,267.86 : x
  2. Step 2: Convert to fraction form
    613,636.04/920,507.26 = 187,267.86/x
  3. Step 3: Cross multiply
    613,636.04x = 920,507.26 × 187,267.86
  4. Step 4: Simplify right side
    613,636.04x = 172,381,424,694.66
  5. Step 5: Solve for x
    x = 172,381,424,694.66/613,636.04
  6. Step 6: Final answer
    x = 280,918.03

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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.