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Finding the Fourth Proportional to 537,387.80, 804,915.30 and 444,075.80

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Solution

The fourth proportional to 537,387.80, 804,915.30 and 444,075.80 is: 665,149.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,387.80 : 804,915.30 = 444,075.80 : x
  2. Step 2: Convert to fraction form
    537,387.80/804,915.30 = 444,075.80/x
  3. Step 3: Cross multiply
    537,387.80x = 804,915.30 × 444,075.80
  4. Step 4: Simplify right side
    537,387.80x = 357,443,405,779.74
  5. Step 5: Solve for x
    x = 357,443,405,779.74/537,387.80
  6. Step 6: Final answer
    x = 665,149.83

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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.