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Finding the Fourth Proportional to 383,010.64, 573,978.16 and 302,695.50

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Solution

The fourth proportional to 383,010.64, 573,978.16 and 302,695.50 is: 453,618.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,010.64 : 573,978.16 = 302,695.50 : x
  2. Step 2: Convert to fraction form
    383,010.64/573,978.16 = 302,695.50/x
  3. Step 3: Cross multiply
    383,010.64x = 573,978.16 × 302,695.50
  4. Step 4: Simplify right side
    383,010.64x = 173,740,606,130.28
  5. Step 5: Solve for x
    x = 173,740,606,130.28/383,010.64
  6. Step 6: Final answer
    x = 453,618.22

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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.