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Finding the Fourth Proportional to 883,603.81, 1,325,368.70 and 284,551.71

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Solution

The fourth proportional to 883,603.81, 1,325,368.70 and 284,551.71 is: 426,815.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,603.81 : 1,325,368.70 = 284,551.71 : x
  2. Step 2: Convert to fraction form
    883,603.81/1,325,368.70 = 284,551.71/x
  3. Step 3: Cross multiply
    883,603.81x = 1,325,368.70 × 284,551.71
  4. Step 4: Simplify right side
    883,603.81x = 377,135,929,167.56
  5. Step 5: Solve for x
    x = 377,135,929,167.56/883,603.81
  6. Step 6: Final answer
    x = 426,815.64

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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.