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Finding the Fourth Proportional to 648,886.92, 895,375.48 and 362,370.48

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Solution

The fourth proportional to 648,886.92, 895,375.48 and 362,370.48 is: 500,021.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,886.92 : 895,375.48 = 362,370.48 : x
  2. Step 2: Convert to fraction form
    648,886.92/895,375.48 = 362,370.48/x
  3. Step 3: Cross multiply
    648,886.92x = 895,375.48 × 362,370.48
  4. Step 4: Simplify right side
    648,886.92x = 324,457,642,467.83
  5. Step 5: Solve for x
    x = 324,457,642,467.83/648,886.92
  6. Step 6: Final answer
    x = 500,021.86

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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.