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Finding the Fourth Proportional to 552,627.88, 828,941.76 and 153,268.64

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Solution

The fourth proportional to 552,627.88, 828,941.76 and 153,268.64 is: 229,902.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,627.88 : 828,941.76 = 153,268.64 : x
  2. Step 2: Convert to fraction form
    552,627.88/828,941.76 = 153,268.64/x
  3. Step 3: Cross multiply
    552,627.88x = 828,941.76 × 153,268.64
  4. Step 4: Simplify right side
    552,627.88x = 127,050,776,194.41
  5. Step 5: Solve for x
    x = 127,050,776,194.41/552,627.88
  6. Step 6: Final answer
    x = 229,902.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.