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Finding the Fourth Proportional to 446,174.69, 615,721.08 and 242,225.32

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Solution

The fourth proportional to 446,174.69, 615,721.08 and 242,225.32 is: 334,270.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,174.69 : 615,721.08 = 242,225.32 : x
  2. Step 2: Convert to fraction form
    446,174.69/615,721.08 = 242,225.32/x
  3. Step 3: Cross multiply
    446,174.69x = 615,721.08 × 242,225.32
  4. Step 4: Simplify right side
    446,174.69x = 149,143,233,488.88
  5. Step 5: Solve for x
    x = 149,143,233,488.88/446,174.69
  6. Step 6: Final answer
    x = 334,270.94

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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.