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Finding the Fourth Proportional to 552,436.16, 828,689.30 and 173,371.88

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Solution

The fourth proportional to 552,436.16, 828,689.30 and 173,371.88 is: 260,068.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,436.16 : 828,689.30 = 173,371.88 : x
  2. Step 2: Convert to fraction form
    552,436.16/828,689.30 = 173,371.88/x
  3. Step 3: Cross multiply
    552,436.16x = 828,689.30 × 173,371.88
  4. Step 4: Simplify right side
    552,436.16x = 143,671,416,866.58
  5. Step 5: Solve for x
    x = 143,671,416,866.58/552,436.16
  6. Step 6: Final answer
    x = 260,068.82

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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.