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Finding the Fourth Proportional to 437,193.60, 654,561.60 and 424,905.60

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Solution

The fourth proportional to 437,193.60, 654,561.60 and 424,905.60 is: 636,164.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,193.60 : 654,561.60 = 424,905.60 : x
  2. Step 2: Convert to fraction form
    437,193.60/654,561.60 = 424,905.60/x
  3. Step 3: Cross multiply
    437,193.60x = 654,561.60 × 424,905.60
  4. Step 4: Simplify right side
    437,193.60x = 278,126,889,384.96
  5. Step 5: Solve for x
    x = 278,126,889,384.96/437,193.60
  6. Step 6: Final answer
    x = 636,164.14

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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.