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Finding the Fourth Proportional to 373,838.40, 560,887.20 and 163,627.20

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Solution

The fourth proportional to 373,838.40, 560,887.20 and 163,627.20 is: 245,497.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,838.40 : 560,887.20 = 163,627.20 : x
  2. Step 2: Convert to fraction form
    373,838.40/560,887.20 = 163,627.20/x
  3. Step 3: Cross multiply
    373,838.40x = 560,887.20 × 163,627.20
  4. Step 4: Simplify right side
    373,838.40x = 91,776,402,051.84
  5. Step 5: Solve for x
    x = 91,776,402,051.84/373,838.40
  6. Step 6: Final answer
    x = 245,497.53

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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.