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Finding the Fourth Proportional to 552,618.30, 828,927.45 and 197,643.90

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Solution

The fourth proportional to 552,618.30, 828,927.45 and 197,643.90 is: 296,465.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,618.30 : 828,927.45 = 197,643.90 : x
  2. Step 2: Convert to fraction form
    552,618.30/828,927.45 = 197,643.90/x
  3. Step 3: Cross multiply
    552,618.30x = 828,927.45 × 197,643.90
  4. Step 4: Simplify right side
    552,618.30x = 163,832,454,035.06
  5. Step 5: Solve for x
    x = 163,832,454,035.06/552,618.30
  6. Step 6: Final answer
    x = 296,465.85

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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.