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Finding the Fourth Proportional to 292,094.88, 402,725.70 and 243,766.32

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Solution

The fourth proportional to 292,094.88, 402,725.70 and 243,766.32 is: 336,092.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,094.88 : 402,725.70 = 243,766.32 : x
  2. Step 2: Convert to fraction form
    292,094.88/402,725.70 = 243,766.32/x
  3. Step 3: Cross multiply
    292,094.88x = 402,725.70 × 243,766.32
  4. Step 4: Simplify right side
    292,094.88x = 98,170,961,858.42
  5. Step 5: Solve for x
    x = 98,170,961,858.42/292,094.88
  6. Step 6: Final answer
    x = 336,092.72

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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.