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Finding the Fourth Proportional to 552,647.10, 828,970.65 and 197,672.70

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Solution

The fourth proportional to 552,647.10, 828,970.65 and 197,672.70 is: 296,509.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,647.10 : 828,970.65 = 197,672.70 : x
  2. Step 2: Convert to fraction form
    552,647.10/828,970.65 = 197,672.70/x
  3. Step 3: Cross multiply
    552,647.10x = 828,970.65 × 197,672.70
  4. Step 4: Simplify right side
    552,647.10x = 163,864,866,606.26
  5. Step 5: Solve for x
    x = 163,864,866,606.26/552,647.10
  6. Step 6: Final answer
    x = 296,509.05

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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.