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Finding the Fourth Proportional to 601,893.44, 830,580.96 and 347,229.44

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Solution

The fourth proportional to 601,893.44, 830,580.96 and 347,229.44 is: 479,158.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,893.44 : 830,580.96 = 347,229.44 : x
  2. Step 2: Convert to fraction form
    601,893.44/830,580.96 = 347,229.44/x
  3. Step 3: Cross multiply
    601,893.44x = 830,580.96 × 347,229.44
  4. Step 4: Simplify right side
    601,893.44x = 288,402,161,615.46
  5. Step 5: Solve for x
    x = 288,402,161,615.46/601,893.44
  6. Step 6: Final answer
    x = 479,158.17

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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.