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Finding the Fourth Proportional to 589,636.80, 883,936.80 and 353,073.60

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Solution

The fourth proportional to 589,636.80, 883,936.80 and 353,073.60 is: 529,299.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,636.80 : 883,936.80 = 353,073.60 : x
  2. Step 2: Convert to fraction form
    589,636.80/883,936.80 = 353,073.60/x
  3. Step 3: Cross multiply
    589,636.80x = 883,936.80 × 353,073.60
  4. Step 4: Simplify right side
    589,636.80x = 312,094,748,148.48
  5. Step 5: Solve for x
    x = 312,094,748,148.48/589,636.80
  6. Step 6: Final answer
    x = 529,299.98

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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.