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Finding the Fourth Proportional to 602,237.80, 903,706.64 and 269,813.80

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Solution

The fourth proportional to 602,237.80, 903,706.64 and 269,813.80 is: 404,877.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,237.80 : 903,706.64 = 269,813.80 : x
  2. Step 2: Convert to fraction form
    602,237.80/903,706.64 = 269,813.80/x
  3. Step 3: Cross multiply
    602,237.80x = 903,706.64 × 269,813.80
  4. Step 4: Simplify right side
    602,237.80x = 243,832,522,623.63
  5. Step 5: Solve for x
    x = 243,832,522,623.63/602,237.80
  6. Step 6: Final answer
    x = 404,877.48

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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.