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Finding the Fourth Proportional to 282,607.40, 423,911.10 and 244,553.60

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Solution

The fourth proportional to 282,607.40, 423,911.10 and 244,553.60 is: 366,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,607.40 : 423,911.10 = 244,553.60 : x
  2. Step 2: Convert to fraction form
    282,607.40/423,911.10 = 244,553.60/x
  3. Step 3: Cross multiply
    282,607.40x = 423,911.10 × 244,553.60
  4. Step 4: Simplify right side
    282,607.40x = 103,668,985,584.96
  5. Step 5: Solve for x
    x = 103,668,985,584.96/282,607.40
  6. Step 6: Final answer
    x = 366,830.40

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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.