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Finding the Fourth Proportional to 589,639.30, 883,940.55 and 353,076.10

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Solution

The fourth proportional to 589,639.30, 883,940.55 and 353,076.10 is: 529,303.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,639.30 : 883,940.55 = 353,076.10 : x
  2. Step 2: Convert to fraction form
    589,639.30/883,940.55 = 353,076.10/x
  3. Step 3: Cross multiply
    589,639.30x = 883,940.55 × 353,076.10
  4. Step 4: Simplify right side
    589,639.30x = 312,098,282,025.86
  5. Step 5: Solve for x
    x = 312,098,282,025.86/589,639.30
  6. Step 6: Final answer
    x = 529,303.73

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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.