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Finding the Fourth Proportional to 313,273.77, 432,273.47 and 186,000.09

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Solution

The fourth proportional to 313,273.77, 432,273.47 and 186,000.09 is: 256,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,273.77 : 432,273.47 = 186,000.09 : x
  2. Step 2: Convert to fraction form
    313,273.77/432,273.47 = 186,000.09/x
  3. Step 3: Cross multiply
    313,273.77x = 432,273.47 × 186,000.09
  4. Step 4: Simplify right side
    313,273.77x = 80,402,904,324.61
  5. Step 5: Solve for x
    x = 80,402,904,324.61/313,273.77
  6. Step 6: Final answer
    x = 256,653.80

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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.