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Finding the Fourth Proportional to 292,420.68, 403,567.67 and 177,672.87

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Solution

The fourth proportional to 292,420.68, 403,567.67 and 177,672.87 is: 245,205.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,420.68 : 403,567.67 = 177,672.87 : x
  2. Step 2: Convert to fraction form
    292,420.68/403,567.67 = 177,672.87/x
  3. Step 3: Cross multiply
    292,420.68x = 403,567.67 × 177,672.87
  4. Step 4: Simplify right side
    292,420.68x = 71,703,025,279.75
  5. Step 5: Solve for x
    x = 71,703,025,279.75/292,420.68
  6. Step 6: Final answer
    x = 245,205.04

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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.