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Finding the Fourth Proportional to 384,536.09, 576,805.56 and 118,294.76

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Solution

The fourth proportional to 384,536.09, 576,805.56 and 118,294.76 is: 177,442.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,536.09 : 576,805.56 = 118,294.76 : x
  2. Step 2: Convert to fraction form
    384,536.09/576,805.56 = 118,294.76/x
  3. Step 3: Cross multiply
    384,536.09x = 576,805.56 × 118,294.76
  4. Step 4: Simplify right side
    384,536.09x = 68,233,076,285.27
  5. Step 5: Solve for x
    x = 68,233,076,285.27/384,536.09
  6. Step 6: Final answer
    x = 177,442.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.