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Finding the Fourth Proportional to 475,560.24, 656,340.72 and 294,330.54

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Solution

The fourth proportional to 475,560.24, 656,340.72 and 294,330.54 is: 406,217.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,560.24 : 656,340.72 = 294,330.54 : x
  2. Step 2: Convert to fraction form
    475,560.24/656,340.72 = 294,330.54/x
  3. Step 3: Cross multiply
    475,560.24x = 656,340.72 × 294,330.54
  4. Step 4: Simplify right side
    475,560.24x = 193,181,118,541.59
  5. Step 5: Solve for x
    x = 193,181,118,541.59/475,560.24
  6. Step 6: Final answer
    x = 406,217.98

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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.