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Finding the Fourth Proportional to 300,907.08, 452,065.90 and 283,883.98

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Solution

The fourth proportional to 300,907.08, 452,065.90 and 283,883.98 is: 426,491.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,907.08 : 452,065.90 = 283,883.98 : x
  2. Step 2: Convert to fraction form
    300,907.08/452,065.90 = 283,883.98/x
  3. Step 3: Cross multiply
    300,907.08x = 452,065.90 × 283,883.98
  4. Step 4: Simplify right side
    300,907.08x = 128,334,266,914.28
  5. Step 5: Solve for x
    x = 128,334,266,914.28/300,907.08
  6. Step 6: Final answer
    x = 426,491.35

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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.