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Finding the Fourth Proportional to 605,167.80, 907,751.70 and 161,935.80

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Solution

The fourth proportional to 605,167.80, 907,751.70 and 161,935.80 is: 242,903.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,167.80 : 907,751.70 = 161,935.80 : x
  2. Step 2: Convert to fraction form
    605,167.80/907,751.70 = 161,935.80/x
  3. Step 3: Cross multiply
    605,167.80x = 907,751.70 × 161,935.80
  4. Step 4: Simplify right side
    605,167.80x = 146,997,497,740.86
  5. Step 5: Solve for x
    x = 146,997,497,740.86/605,167.80
  6. Step 6: Final answer
    x = 242,903.70

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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.