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Finding the Fourth Proportional to 589,050.80, 812,878.44 and 347,343.56

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Solution

The fourth proportional to 589,050.80, 812,878.44 and 347,343.56 is: 479,327.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,050.80 : 812,878.44 = 347,343.56 : x
  2. Step 2: Convert to fraction form
    589,050.80/812,878.44 = 347,343.56/x
  3. Step 3: Cross multiply
    589,050.80x = 812,878.44 × 347,343.56
  4. Step 4: Simplify right side
    589,050.80x = 282,348,091,196.85
  5. Step 5: Solve for x
    x = 282,348,091,196.85/589,050.80
  6. Step 6: Final answer
    x = 479,327.23

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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.