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Finding the Fourth Proportional to 580,530.87, 801,152.46 and 322,411.86

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Solution

The fourth proportional to 580,530.87, 801,152.46 and 322,411.86 is: 444,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,530.87 : 801,152.46 = 322,411.86 : x
  2. Step 2: Convert to fraction form
    580,530.87/801,152.46 = 322,411.86/x
  3. Step 3: Cross multiply
    580,530.87x = 801,152.46 × 322,411.86
  4. Step 4: Simplify right side
    580,530.87x = 258,301,054,772.18
  5. Step 5: Solve for x
    x = 258,301,054,772.18/580,530.87
  6. Step 6: Final answer
    x = 444,939.40

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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.