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Finding the Fourth Proportional to 580,053.87, 800,479.80 and 325,410.52

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Solution

The fourth proportional to 580,053.87, 800,479.80 and 325,410.52 is: 449,069.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,053.87 : 800,479.80 = 325,410.52 : x
  2. Step 2: Convert to fraction form
    580,053.87/800,479.80 = 325,410.52/x
  3. Step 3: Cross multiply
    580,053.87x = 800,479.80 × 325,410.52
  4. Step 4: Simplify right side
    580,053.87x = 260,484,547,967.50
  5. Step 5: Solve for x
    x = 260,484,547,967.50/580,053.87
  6. Step 6: Final answer
    x = 449,069.58

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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.