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Finding the Fourth Proportional to 580,599.54, 870,456.12 and 328,165.08

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Solution

The fourth proportional to 580,599.54, 870,456.12 and 328,165.08 is: 491,997.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,599.54 : 870,456.12 = 328,165.08 : x
  2. Step 2: Convert to fraction form
    580,599.54/870,456.12 = 328,165.08/x
  3. Step 3: Cross multiply
    580,599.54x = 870,456.12 × 328,165.08
  4. Step 4: Simplify right side
    580,599.54x = 285,653,302,256.29
  5. Step 5: Solve for x
    x = 285,653,302,256.29/580,599.54
  6. Step 6: Final answer
    x = 491,997.12

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1.5x scale

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.