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Finding the Fourth Proportional to 552,195.64, 828,333.06 and 147,385.72

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Solution

The fourth proportional to 552,195.64, 828,333.06 and 147,385.72 is: 221,089.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,195.64 : 828,333.06 = 147,385.72 : x
  2. Step 2: Convert to fraction form
    552,195.64/828,333.06 = 147,385.72/x
  3. Step 3: Cross multiply
    552,195.64x = 828,333.06 × 147,385.72
  4. Step 4: Simplify right side
    552,195.64x = 122,084,464,447.90
  5. Step 5: Solve for x
    x = 122,084,464,447.90/552,195.64
  6. Step 6: Final answer
    x = 221,089.15

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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.