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Finding the Fourth Proportional to 586,599.64, 809,500.99 and 328,478.92

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Solution

The fourth proportional to 586,599.64, 809,500.99 and 328,478.92 is: 453,297.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,599.64 : 809,500.99 = 328,478.92 : x
  2. Step 2: Convert to fraction form
    586,599.64/809,500.99 = 328,478.92/x
  3. Step 3: Cross multiply
    586,599.64x = 809,500.99 × 328,478.92
  4. Step 4: Simplify right side
    586,599.64x = 265,904,006,065.43
  5. Step 5: Solve for x
    x = 265,904,006,065.43/586,599.64
  6. Step 6: Final answer
    x = 453,297.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.