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Finding the Fourth Proportional to 474,446.66, 654,730.56 and 259,583.64

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Solution

The fourth proportional to 474,446.66, 654,730.56 and 259,583.64 is: 358,222.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,446.66 : 654,730.56 = 259,583.64 : x
  2. Step 2: Convert to fraction form
    474,446.66/654,730.56 = 259,583.64/x
  3. Step 3: Cross multiply
    474,446.66x = 654,730.56 × 259,583.64
  4. Step 4: Simplify right side
    474,446.66x = 169,957,341,984.04
  5. Step 5: Solve for x
    x = 169,957,341,984.04/474,446.66
  6. Step 6: Final answer
    x = 358,222.23

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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.