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Finding the Fourth Proportional to 365,628.33, 547,999.56 and 321,341.58

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Solution

The fourth proportional to 365,628.33, 547,999.56 and 321,341.58 is: 481,623.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,628.33 : 547,999.56 = 321,341.58 : x
  2. Step 2: Convert to fraction form
    365,628.33/547,999.56 = 321,341.58/x
  3. Step 3: Cross multiply
    365,628.33x = 547,999.56 × 321,341.58
  4. Step 4: Simplify right side
    365,628.33x = 176,095,044,449.71
  5. Step 5: Solve for x
    x = 176,095,044,449.71/365,628.33
  6. Step 6: Final answer
    x = 481,623.09

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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.