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Finding the Fourth Proportional to 607,072.80, 910,608.30 and 180,606.72

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Solution

The fourth proportional to 607,072.80, 910,608.30 and 180,606.72 is: 270,909.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,072.80 : 910,608.30 = 180,606.72 : x
  2. Step 2: Convert to fraction form
    607,072.80/910,608.30 = 180,606.72/x
  3. Step 3: Cross multiply
    607,072.80x = 910,608.30 × 180,606.72
  4. Step 4: Simplify right side
    607,072.80x = 164,461,978,267.78
  5. Step 5: Solve for x
    x = 164,461,978,267.78/607,072.80
  6. Step 6: Final answer
    x = 270,909.81

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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.