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Finding the Fourth Proportional to 501,656.94, 692,240.90 and 297,672.75

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Solution

The fourth proportional to 501,656.94, 692,240.90 and 297,672.75 is: 410,761.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,656.94 : 692,240.90 = 297,672.75 : x
  2. Step 2: Convert to fraction form
    501,656.94/692,240.90 = 297,672.75/x
  3. Step 3: Cross multiply
    501,656.94x = 692,240.90 × 297,672.75
  4. Step 4: Simplify right side
    501,656.94x = 206,061,250,877.11
  5. Step 5: Solve for x
    x = 206,061,250,877.11/501,656.94
  6. Step 6: Final answer
    x = 410,761.29

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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.