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Finding the Fourth Proportional to 430,070.45, 593,635.64 and 260,446.73

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Solution

The fourth proportional to 430,070.45, 593,635.64 and 260,446.73 is: 359,500.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,070.45 : 593,635.64 = 260,446.73 : x
  2. Step 2: Convert to fraction form
    430,070.45/593,635.64 = 260,446.73/x
  3. Step 3: Cross multiply
    430,070.45x = 593,635.64 × 260,446.73
  4. Step 4: Simplify right side
    430,070.45x = 154,610,456,979.05
  5. Step 5: Solve for x
    x = 154,610,456,979.05/430,070.45
  6. Step 6: Final answer
    x = 359,500.31

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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.