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Finding the Fourth Proportional to 536,313.88, 740,076.78 and 294,606.64

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Solution

The fourth proportional to 536,313.88, 740,076.78 and 294,606.64 is: 406,537.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,313.88 : 740,076.78 = 294,606.64 : x
  2. Step 2: Convert to fraction form
    536,313.88/740,076.78 = 294,606.64/x
  3. Step 3: Cross multiply
    536,313.88x = 740,076.78 × 294,606.64
  4. Step 4: Simplify right side
    536,313.88x = 218,031,533,497.82
  5. Step 5: Solve for x
    x = 218,031,533,497.82/536,313.88
  6. Step 6: Final answer
    x = 406,537.18

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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.