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Finding the Fourth Proportional to 580,303.08, 800,875.80 and 325,655.28

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Solution

The fourth proportional to 580,303.08, 800,875.80 and 325,655.28 is: 449,436.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,303.08 : 800,875.80 = 325,655.28 : x
  2. Step 2: Convert to fraction form
    580,303.08/800,875.80 = 325,655.28/x
  3. Step 3: Cross multiply
    580,303.08x = 800,875.80 × 325,655.28
  4. Step 4: Simplify right side
    580,303.08x = 260,809,432,894.22
  5. Step 5: Solve for x
    x = 260,809,432,894.22/580,303.08
  6. Step 6: Final answer
    x = 449,436.58

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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.