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Finding the Fourth Proportional to 550,577.60, 824,829.60 and 283,428.80

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Solution

The fourth proportional to 550,577.60, 824,829.60 and 283,428.80 is: 424,609.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,577.60 : 824,829.60 = 283,428.80 : x
  2. Step 2: Convert to fraction form
    550,577.60/824,829.60 = 283,428.80/x
  3. Step 3: Cross multiply
    550,577.60x = 824,829.60 × 283,428.80
  4. Step 4: Simplify right side
    550,577.60x = 233,780,463,732.48
  5. Step 5: Solve for x
    x = 233,780,463,732.48/550,577.60
  6. Step 6: Final answer
    x = 424,609.47

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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.