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Finding the Fourth Proportional to 496,859.67, 685,666.45 and 270,505.17

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Solution

The fourth proportional to 496,859.67, 685,666.45 and 270,505.17 is: 373,297.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,859.67 : 685,666.45 = 270,505.17 : x
  2. Step 2: Convert to fraction form
    496,859.67/685,666.45 = 270,505.17/x
  3. Step 3: Cross multiply
    496,859.67x = 685,666.45 × 270,505.17
  4. Step 4: Simplify right side
    496,859.67x = 185,476,316,192.21
  5. Step 5: Solve for x
    x = 185,476,316,192.21/496,859.67
  6. Step 6: Final answer
    x = 373,297.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.