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Finding the Fourth Proportional to 554,813.84, 766,426.92 and 441,491.60

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Solution

The fourth proportional to 554,813.84, 766,426.92 and 441,491.60 is: 609,882.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,813.84 : 766,426.92 = 441,491.60 : x
  2. Step 2: Convert to fraction form
    554,813.84/766,426.92 = 441,491.60/x
  3. Step 3: Cross multiply
    554,813.84x = 766,426.92 × 441,491.60
  4. Step 4: Simplify right side
    554,813.84x = 338,371,047,193.87
  5. Step 5: Solve for x
    x = 338,371,047,193.87/554,813.84
  6. Step 6: Final answer
    x = 609,882.13

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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.