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Finding the Fourth Proportional to 373,661.10, 560,491.65 and 308,051.10

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Solution

The fourth proportional to 373,661.10, 560,491.65 and 308,051.10 is: 462,076.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,661.10 : 560,491.65 = 308,051.10 : x
  2. Step 2: Convert to fraction form
    373,661.10/560,491.65 = 308,051.10/x
  3. Step 3: Cross multiply
    373,661.10x = 560,491.65 × 308,051.10
  4. Step 4: Simplify right side
    373,661.10x = 172,660,069,323.32
  5. Step 5: Solve for x
    x = 172,660,069,323.32/373,661.10
  6. Step 6: Final answer
    x = 462,076.65

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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.