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Finding the Fourth Proportional to 442,715.96, 610,871.73 and 249,096.80

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Solution

The fourth proportional to 442,715.96, 610,871.73 and 249,096.80 is: 343,710.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,715.96 : 610,871.73 = 249,096.80 : x
  2. Step 2: Convert to fraction form
    442,715.96/610,871.73 = 249,096.80/x
  3. Step 3: Cross multiply
    442,715.96x = 610,871.73 × 249,096.80
  4. Step 4: Simplify right side
    442,715.96x = 152,166,190,099.11
  5. Step 5: Solve for x
    x = 152,166,190,099.11/442,715.96
  6. Step 6: Final answer
    x = 343,710.65

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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.