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Finding the Fourth Proportional to 737,798.90, 1,018,200.39 and 451,229

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Solution

The fourth proportional to 737,798.90, 1,018,200.39 and 451,229 is: 622,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,798.90 : 1,018,200.39 = 451,229 : x
  2. Step 2: Convert to fraction form
    737,798.90/1,018,200.39 = 451,229/x
  3. Step 3: Cross multiply
    737,798.90x = 1,018,200.39 × 451,229
  4. Step 4: Simplify right side
    737,798.90x = 459,441,543,779.31
  5. Step 5: Solve for x
    x = 459,441,543,779.31/737,798.90
  6. Step 6: Final answer
    x = 622,719.20

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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.