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Finding the Fourth Proportional to 582,353.64, 873,740.65 and 203,330.21

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Solution

The fourth proportional to 582,353.64, 873,740.65 and 203,330.21 is: 305,068.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,353.64 : 873,740.65 = 203,330.21 : x
  2. Step 2: Convert to fraction form
    582,353.64/873,740.65 = 203,330.21/x
  3. Step 3: Cross multiply
    582,353.64x = 873,740.65 × 203,330.21
  4. Step 4: Simplify right side
    582,353.64x = 177,657,864,464.68
  5. Step 5: Solve for x
    x = 177,657,864,464.68/582,353.64
  6. Step 6: Final answer
    x = 305,068.69

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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.