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Finding the Fourth Proportional to 537,006.80, 804,588.60 and 255,918.80

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Solution

The fourth proportional to 537,006.80, 804,588.60 and 255,918.80 is: 383,439.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,006.80 : 804,588.60 = 255,918.80 : x
  2. Step 2: Convert to fraction form
    537,006.80/804,588.60 = 255,918.80/x
  3. Step 3: Cross multiply
    537,006.80x = 804,588.60 × 255,918.80
  4. Step 4: Simplify right side
    537,006.80x = 205,909,349,005.68
  5. Step 5: Solve for x
    x = 205,909,349,005.68/537,006.80
  6. Step 6: Final answer
    x = 383,439.00

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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.